APA-viite (7. p.)

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

Chicago-viite (17. p.)

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

MLA-viite (9. p.)

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