APA (7th ed.) Citation

Longgood, W. F. (1972). The darkening land. Simon and Schuster.

Chicago Style (17th ed.) Citation

Longgood, William Frank. The Darkening Land. New York: Simon and Schuster, 1972.

MLA (9th ed.) Citation

Longgood, William Frank. The Darkening Land. Simon and Schuster, 1972.

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