Cita APA (7a ed.)

Campbell, K. E. (1979). The non-passerine Pleistocene avifauna of the Talara Tar Seeps, northwestern Peru. Royal Ontario Museum.

Cita Chicago Style (17a ed.)

Campbell, Kenneth E. The Non-passerine Pleistocene Avifauna of the Talara Tar Seeps, Northwestern Peru. Toronto: Royal Ontario Museum, 1979.

Cita MLA (8a ed.)

Campbell, Kenneth E. The Non-passerine Pleistocene Avifauna of the Talara Tar Seeps, Northwestern Peru. Royal Ontario Museum, 1979.