Gaya APA
Walker, E, P. et al (1968).
Mammals of the World Second Edition Volume II (Edisi Kedua).
Baltimore, Maryland:
The Johns Hopkins Press.
Gaya MLA
Walker, Ernest, P.. et al.
"Mammals of the World Second Edition Volume II".
Edisi Kedua
Baltimore, Maryland:
The Johns Hopkins Press,
1968.
Text.