APA (7th ed.) Citation

Pepper, T., & Hoppé, E. O. (1978). Camera portraits by E. O. Hoppé, 1878 - 1972.

Chicago Style (17th ed.) Citation

Pepper, Terence, and Emil Otto Hoppé. Camera Portraits by E. O. Hoppé, 1878 - 1972. London, 1978.

MLA (8th ed.) Citation

Pepper, Terence, and Emil Otto Hoppé. Camera Portraits by E. O. Hoppé, 1878 - 1972. 1978.

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