APA (7th ed.) Citation

Dehn, A., & Barrett, L. (1950). How to draw and print lithographs. American Artists Group.

Chicago Style (17th ed.) Citation

Dehn, Adolf, and Lawrence Barrett. How to Draw and Print Lithographs. New York: American Artists Group, 1950.

MLA (9th ed.) Citation

Dehn, Adolf, and Lawrence Barrett. How to Draw and Print Lithographs. American Artists Group, 1950.

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