Cita APA (7a ed.)

Young, S. P. (1946). The Puma: Mysterious American cat. The American Wildlife Institute.

Cita Chicago Style (17a ed.)

Young, Stanley P. The Puma: Mysterious American Cat. Washington - EEUU: The American Wildlife Institute, 1946.

Cita MLA (8a ed.)

Young, Stanley P. The Puma: Mysterious American Cat. The American Wildlife Institute, 1946.