Cita APA (7th ed.)
Bockmul Klaus & Kaye, B. N. Conservation and lifestyle (ed.). Grove books.
Cita Chicago (17th ed.)
Bockmul Klaus i Bruce N. Kaye. Conservation and Lifestyle. ed. Bramcote Notts: Grove books.
Cita MLA (9th ed.)
Bockmul Klaus i Bruce N. Kaye. Conservation and Lifestyle. ed. Grove books.
Atenció: Aquestes cites poden no estar 100% correctes.