APA (7th ed.) Citation

Croy, O. R. (1973). Graphic effects by photography / by O.R. Croy. Focal.

Chicago Style (17th ed.) Citation

Croy, Otto Roman. Graphic Effects by Photography / by O.R. Croy. Focal, 1973.

MLA (9th ed.) Citation

Croy, Otto Roman. Graphic Effects by Photography / by O.R. Croy. Focal, 1973.

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