Cita APA

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

Citación estilo Chicago

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

Cita MLA

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