APA (7th ed.) Citation

Hours, M. (1968). Secrets of the great masters: A study in artistic techniques. [Putnam].

Chicago Style (17th ed.) Citation

Hours, Madeleine. Secrets of the Great Masters: A Study in Artistic Techniques. [New York]: [Putnam], 1968.

MLA (9th ed.) Citation

Hours, Madeleine. Secrets of the Great Masters: A Study in Artistic Techniques. [Putnam], 1968.

Warning: These citations may not always be 100% accurate.