Cita APA (7a ed.)

Ripley, S. D., & Rabor, D. (1958). Notes on a collection of birds from Mindoro Islands, Philippines. [publisher not identified].

Cita Chicago Style (17a ed.)

Ripley, Sidney Dillon, y D.S Rabor. Notes on a Collection of Birds from Mindoro Islands, Philippines. New Haven, Connecticut: [publisher not identified], 1958.

Cita MLA (9a ed.)

Ripley, Sidney Dillon, y D.S Rabor. Notes on a Collection of Birds from Mindoro Islands, Philippines. [publisher not identified], 1958.