Style de citation APA (7e éd.)

Hapgood, C. H. (1970). The path of the pole (2nd ed.). Chilton.

Style de citation Chicago (17e éd.)

Hapgood, Charles H. The Path of the Pole. 2nd ed. Philadelphia: Chilton, 1970.

Style de citation MLA (9e éd.)

Hapgood, Charles H. The Path of the Pole. 2nd ed. Chilton, 1970.