Cita APA

Prys-Jones, O. E., Corbet, S. A. 1., & Hopkins, A. J. (1991). Bumblebees (Second revised edition.). England: Richmond Publishing Co. Ltd..

Citación estilo Chicago

Prys-Jones, Oliver E., Sarah Alexandra 1940- Corbet, y Anthony J. Hopkins. Bumblebees. Second revised edition. England: Richmond Publishing Co. Ltd., 1991.

Cita MLA

Prys-Jones, Oliver E., Sarah Alexandra 1940- Corbet, y Anthony J. Hopkins. Bumblebees. Second revised edition. England: Richmond Publishing Co. Ltd., 1991.