APA (7th ed.) Citation

SPITZING, G. (1974). The photoguide to potraits. Focal Press.

Chicago Style (17th ed.) Citation

SPITZING, Gunter. The Photoguide to Potraits. Focal Press, 1974.

MLA (8th ed.) Citation

SPITZING, Gunter. The Photoguide to Potraits. Focal Press, 1974.

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