APA-Zitierstil (7. Ausg.)

(1978). Heterohyrax brucei (Procaviidae): Young playing with each other and with young Procavia johnstoni. Open air shots (Aufgen.1973, 1975 u.1976.).

Chicago-Zitierstil (17. Ausg.)

Heterohyrax Brucei (Procaviidae): Young Playing with Each Other and with Young Procavia Johnstoni. Open Air Shots. Aufgen.1973, 1975 u.1976. Göttingen, 1978.

MLA-Zitierstil (9. Ausg.)

Heterohyrax Brucei (Procaviidae): Young Playing with Each Other and with Young Procavia Johnstoni. Open Air Shots. Aufgen.1973, 1975 u.1976. 1978.