APA (7th ed.) Citation

Sadik, M. S., & Pfister, H. F. (1980). American portrait drawings.

Chicago Style (17th ed.) Citation

Sadik, Marvin S., and Harold Francis Pfister. American Portrait Drawings. 1980.

MLA (9th ed.) Citation

Sadik, Marvin S., and Harold Francis Pfister. American Portrait Drawings. 1980.

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