Παραπομπή APA

Allen, G. E., & Baker, J. J. (1978). Study of Biology (3.). Addison Wesley.

Παραπομπή Chicago Style

Allen, G E., και J J. Baker. Study of Biology. 3. London: Addison Wesley, 1978.

Παραπομπή MLA

Allen, G E., και J J. Baker. Study of Biology. 3. Addison Wesley, 1978.