Cita APA

Kunze, A. F. n. 1., & Kunze, A. F. n. 1. (1955). Who's who on the postage stamps of Guatemala. Washington: Pan American Union.

Citación estilo Chicago

Kunze, Albert Fred n. 1891, y Albert Fred n. 1891 Kunze. Who's Who On the Postage Stamps of Guatemala. Washington: Pan American Union, 1955.

Cita MLA

Kunze, Albert Fred n. 1891, y Albert Fred n. 1891 Kunze. Who's Who On the Postage Stamps of Guatemala. Washington: Pan American Union, 1955.