APA (7th ed.) Citation

Jacobson, K. I., & Mannheim, L. A. (1969). Enlarging (20th rev. ed.). Focal P..

Chicago Style (17th ed.) Citation

Jacobson, Kurt I., and L. A. Mannheim. Enlarging. 20th rev. ed. London, New York: Focal P., 1969.

MLA (9th ed.) Citation

Jacobson, Kurt I., and L. A. Mannheim. Enlarging. 20th rev. ed. Focal P., 1969.

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