APA

Bell M., . (1983). Return of the wolf. New York: Seabury Press.

Chicago

Bell Martin, . 1983. Return of the wolf. New York: Seabury Press.

Harvard

Bell M., . (1983). Return of the wolf. New York: Seabury Press.

MLA

Bell Martin, . Return of the wolf. New York: Seabury Press. 1983.