APA (7th ed.) Citation

Langford, M. J. (1974). Professional photography: Principles in practice. Focal Press.

Chicago Style (17th ed.) Citation

Langford, Michael John. Professional Photography: Principles in Practice. London; New York: Focal Press, 1974.

MLA (9th ed.) Citation

Langford, Michael John. Professional Photography: Principles in Practice. Focal Press, 1974.

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