APA (7th ed.) Citation

Clerc, L. P., & Spencer, D. A. (1972). Photography : theory and practice / (by) L.P. Clerc: Theory and practice (Completely revised and enlarged ed.). Focal Press.

Chicago Style (17th ed.) Citation

Clerc, Louis Philippe, and D. A. Spencer. Photography : Theory and Practice / (by) L.P. Clerc: Theory and Practice. Completely revised and enlarged ed. London: Focal Press, 1972.

MLA (9th ed.) Citation

Clerc, Louis Philippe, and D. A. Spencer. Photography : Theory and Practice / (by) L.P. Clerc: Theory and Practice. Completely revised and enlarged ed. Focal Press, 1972.

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