APA (7e ed.) Bronvermelding

Lewis, C., & Hooper, W. (1982). Fern-seed and elephants: And other essays on christianity. Collins.

Chicago (17e ed.) Bronvermelding

Lewis, C.S, en Walter Hooper. Fern-seed and Elephants: And Other Essays on Christianity. Glasgow: Collins, 1982.

MLA (9e ed.) Bronvermelding

Lewis, C.S, en Walter Hooper. Fern-seed and Elephants: And Other Essays on Christianity. Collins, 1982.