Cita APA (7a ed.)

Geissmann, T. (1993). Evolution of communication in gibbons (Hylobatidae). Universität Zürich.

Cita Chicago Style (17a ed.)

Geissmann, Thomas. Evolution of Communication in Gibbons (Hylobatidae). Switzerland: Universität Zürich, 1993.

Cita MLA (8a ed.)

Geissmann, Thomas. Evolution of Communication in Gibbons (Hylobatidae). Universität Zürich, 1993.