Cita APA (7a ed.)

Spitzing, G. (1974). The photoguide to enlarging. Cacho Hermanos.

Cita Chicago Style (17a ed.)

Spitzing, Gunter. The Photoguide to Enlarging. Mandaluyong, Rizal: Cacho Hermanos, 1974.

Cita MLA (9a ed.)

Spitzing, Gunter. The Photoguide to Enlarging. Cacho Hermanos, 1974.