APA citiranje

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

Παραπομπή Chicago Style

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

MLA citiranje

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