Cita APA

A J Marshall & W D Williams. (1972). Textbook of Zoology Invertabrates (7.). Macmillian.

Chicago Edition Citation

A J Marshall i W D Williams. Textbook of Zoology Invertabrates. 7. Macmillian, 1972.

Cita MLA

A J Marshall i W D Williams. Textbook of Zoology Invertabrates. 7. Macmillian, 1972.

Atenció: Aquestes cites poden no estar 100% correctes.