Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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