Cita APA (7th ed.)

Ray, S. F. (1994). Photographic printing and enlarging. Focal Press.

Cita Chicago (17th ed.)

Ray, Sidney F. Photographic Printing and Enlarging. Oxford: Focal Press, 1994.

Cita MLA (9th ed.)

Ray, Sidney F. Photographic Printing and Enlarging. Focal Press, 1994.