The Frick Collection (New York) : : an illustrated catalogue ; Volume I: Paintings (American, British, Dutch, Flemish and German) ; Volume II: Paintings (French, Italian and Spanish) ; Volume III: Sculpture (Italian) ; Volume IV: Sculpture (German, Netherlandish, French and British).

MLA

Pope-Hennessy, John, Anthony Radcliffe, and Terence W.I Hodgkinson. The Frick Collection (new York) : an Illustrated Catalogue ; Volume I: Paintings (american, British, Dutch, Flemish and German) ; Volume Ii: Paintings (french, Italian and Spanish) ; Volume Iii: Sculpture (italian) ; Volume Iv: Sculpture (german, Netherlandish, French and British). New York City: The Frick Collection, 1968.

APA

Pope-Hennessy, J., Radcliffe, A., & Hodgkinson, T. W.I. (1968). The Frick Collection (New York) : an illustrated catalogue ; Volume I: Paintings (American, British, Dutch, Flemish and German) ; Volume II: Paintings (French, Italian and Spanish) ; Volume III: Sculpture (Italian) ; Volume IV: Sculpture (German, Netherlandish, French and British). New York City: The Frick Collection.

Chicago

Pope-Hennessy, John, Anthony Radcliffe, and Terence W.I Hodgkinson. The Frick Collection (new York): An Illustrated Catalogue ; Volume I: Paintings (american, British, Dutch, Flemish and German) ; Volume II: Paintings (french, Italian and Spanish) ; Volume III: Sculpture (italian) ; Volume IV: Sculpture (german, Netherlandish, French and British). New York City: The Frick Collection, 1968.