Citazione Stile APA (7a Edizione)

King, A. S., & McLelland, J. (1979). Form and function in birds. Academic.

Citazione stile Chigago Style (17a edizione)

King, Anthony Stuart, e J. McLelland. Form and Function in Birds. Londres: Academic, 1979.

Citatione MLA (9a ed.)

King, Anthony Stuart, e J. McLelland. Form and Function in Birds. Academic, 1979.