MLA

Hall, Douglas. Twenty Modern Masterpieces : Acquired During the First Twenty Years of the Gallery ; The Scottish National Gallery of Modern Art ; 1960 to 1980. Edinburgh: National Galleries of Scotland, 1980.

APA

Hall, D. (1980). Twenty Modern Masterpieces : Acquired during the first twenty years of the Gallery ; The Scottish National Gallery of Modern Art ; 1960 to 1980. Edinburgh: National Galleries of Scotland.

Chicago

Hall, Douglas Twenty Modern Masterpieces: Acquired During the First Twenty Years of the Gallery ; The Scottish National Gallery of Modern Art ; 1960 to 1980. Edinburgh: National Galleries of Scotland, 1980.