APA

Baar J., Howard W. E., . (1960). Polaris!. New York: Harcourt, Brace.

Chicago

Baar James, Howard William E, . 1960. Polaris!. New York: Harcourt, Brace.

Harvard

Baar J., Howard W. E., . (1960). Polaris!. New York: Harcourt, Brace.

MLA

Baar James, Howard William E, . Polaris!. New York: Harcourt, Brace. 1960.