APA (7e ed.) Bronvermelding

Howe, R. L. (1971). Survival plus. Seabury Press.

Chicago (17e ed.) Bronvermelding

Howe, Reuel L. Survival Plus. New York: Seabury Press, 1971.

MLA (8e ed.) Bronvermelding

Howe, Reuel L. Survival Plus. Seabury Press, 1971.