APA
(1990). The New Book of Poplular Science-Mammals, Human Science. : Grolier International.
Chicago
1990. The New Book of Poplular Science-Mammals, Human Science. : Grolier International.
Harvard
(1990). The New Book of Poplular Science-Mammals, Human Science. : Grolier International.
MLA
The New Book of Poplular Science-Mammals, Human Science. : Grolier International. 1990.