APA (7th ed.) Citation

Stephenson, A. M. (1980). The wall of years. Dell Pub. Co..

Chicago Style (17th ed.) Citation

Stephenson, Andrew M. The Wall of Years. New York: Dell Pub. Co., 1980.

MLA (9th ed.) Citation

Stephenson, Andrew M. The Wall of Years. Dell Pub. Co., 1980.