Παραπομπή APA

Scharf, A. (1975). Pioneers of photography. Harmy N. Abrans.

Παραπομπή Chicago Style

Scharf, Aaron. Pioneers of Photography. New York: Harmy N. Abrans, 1975.

Παραπομπή MLA

Scharf, Aaron. Pioneers of Photography. Harmy N. Abrans, 1975.