APA Citatie

Hanazuka, Y., Shimahara, N., Tokuda, Y., & Midorikawa, A. (2013). Orangutans (Pongo pygmaeus) Remember Old Acquaintances. Public Library of Science.

Chicago Style citaat

Hanazuka, Yuki, Naoki Shimahara, Yukie Tokuda, en Akira Midorikawa. Orangutans (Pongo Pygmaeus) Remember Old Acquaintances. Public Library of Science, 2013.

MLA citatie

Hanazuka, Yuki, Naoki Shimahara, Yukie Tokuda, en Akira Midorikawa. Orangutans (Pongo Pygmaeus) Remember Old Acquaintances. Public Library of Science, 2013.

Let op: Deze citaties zijn niet altijd 100% accuraat.