APA

Pendell E., . (1951). Population on the loose. New York: W. Funk.

Chicago

Pendell Elmer, . 1951. Population on the loose. New York: W. Funk.

Harvard

Pendell E., . (1951). Population on the loose. New York: W. Funk.

MLA

Pendell Elmer, . Population on the loose. New York: W. Funk. 1951.