APA-referens

Snodgrass, R. E. (1967). Insects: Their ways and means of living.

Chicago-stil citat

Snodgrass, Robert Evans. Insects: Their Ways and Means of Living. Dover Publcations, New York, 1967.

MLA-referens

Snodgrass, Robert Evans. Insects: Their Ways and Means of Living. 1967.