APA-referens (7:e uppl.)

Collis, G. R. (1994). The tattered eagle. The Pentland Press Limited.

Chicago-referens (17:e uppl.)

Collis, Geoffrey Rex. The Tattered Eagle. Durham, [England]: The Pentland Press Limited, 1994.

MLA-referens (9:e uppl.)

Collis, Geoffrey Rex. The Tattered Eagle. The Pentland Press Limited, 1994.