APA (7th ed.) Citation

Hoover, H. M. (1980). This time of darkness. Viking Press.

Chicago Style (17th ed.) Citation

Hoover, H. M. This Time of Darkness. New York: Viking Press, 1980.

MLA (9th ed.) Citation

Hoover, H. M. This Time of Darkness. Viking Press, 1980.

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