APA Citation

Warntz, W., & Wolff, P. (1971). Breakthrough in geography. New York: Plume Book.

Chicago Style Citation

Warntz, William, and Peter Wolff. Breakthrough in Geography. New York: Plume Book, 1971.

MLA Citation

Warntz, William, and Peter Wolff. Breakthrough in Geography. New York: Plume Book, 1971.

Warning: These citations may not always be 100% accurate.