APA (7th ed.) Zitazioa

Knight, P. G. (1999). Glaciers. Stanley Thornes.

Chicago Style (17th ed.) Zitazioa

Knight, Peter G. Glaciers. Londres: Stanley Thornes, 1999.

MLA (9th ed.) Zitazioa

Knight, Peter G. Glaciers. Stanley Thornes, 1999.