Cita APA (7th ed.)

Ripley, S. D., & Rabor, D. (1958). Notes on a collection of birds from Mindoro Islands, Philippines. [s.n.].

Cita Chicago (17th ed.)

Ripley, Sidney Dillon, i D.S Rabor. Notes on a Collection of Birds from Mindoro Islands, Philippines. New Haven: [s.n.], 1958.

Cita MLA (9th ed.)

Ripley, Sidney Dillon, i D.S Rabor. Notes on a Collection of Birds from Mindoro Islands, Philippines. [s.n.], 1958.