APA

Smythe R. H., . (1961). Animal vision: what animals see. Springfield, Ill: Thomas.

Chicago

Smythe R H, . 1961. Animal vision: what animals see. Springfield, Ill: Thomas.

Harvard

Smythe R. H., . (1961). Animal vision: what animals see. Springfield, Ill: Thomas.

MLA

Smythe R H, . Animal vision: what animals see. Springfield, Ill: Thomas. 1961.