Cita APA

Bernhard, H. J. (1956). Wonders of the world. New York: Simon and Schuster.

Citación estilo Chicago

Bernhard, Hubert J. Wonders of the World. New York: Simon and Schuster, 1956.

Cita MLA

Bernhard, Hubert J. Wonders of the World. New York: Simon and Schuster, 1956.