APA ציטוט

Howe, H. F., & Westley , L. C. (1988). Ecological relationships of plants and animals. OUP.

Chicago Edition Citation

Howe, Henry F., and Lynn C. Westley. Ecological Relationships of Plants and Animals. New York: OUP, 1988.

ציטוט MLA

Howe, Henry F., and Lynn C. Westley. Ecological Relationships of Plants and Animals. OUP, 1988.