APA

Edwards E. J., . (1954). Dark Enemy. New York: Longmans, Green.

Chicago

Edwards Edward J, . 1954. Dark Enemy. New York: Longmans, Green.

Harvard

Edwards E. J., . (1954). Dark Enemy. New York: Longmans, Green.

MLA

Edwards Edward J, . Dark Enemy. New York: Longmans, Green. 1954.