APA (7e ed.) Bronvermelding

Lucas, M. S., & Falls, C. B. (1943). Vast horizons. Viking Press.

Chicago (17e ed.) Bronvermelding

Lucas, Mary Seymour, en Charles Buckles Falls. Vast Horizons. New York: Viking Press, 1943.

MLA (9e ed.) Bronvermelding

Lucas, Mary Seymour, en Charles Buckles Falls. Vast Horizons. Viking Press, 1943.