The secret formulas and techniques of the masters.

MLA

Maroger, Jacques, and E Beckham. The Secret Formulas and Techniques of the Masters. New York City: Hacker Art Books, 1979.

APA

Maroger, J., & Beckham, E. (1979). The secret formulas and techniques of the masters. New York City: Hacker Art Books.

Chicago

Maroger, Jacques, and E Beckham. The Secret Formulas and Techniques of the Masters. New York City: Hacker Art Books, 1979.