APA-referens (7:e uppl.)

Gardiner, H. C. (1957). Edmund Campion: Hero of Gods underground. Vision Books.

Chicago-referens (17:e uppl.)

Gardiner, Harold C. Edmund Campion: Hero of Gods Underground. New York: Vision Books, 1957.

MLA-referens (8:e uppl.)

Gardiner, Harold C. Edmund Campion: Hero of Gods Underground. Vision Books, 1957.