APA

Richards O. W., . (1961). The social insects. New York: Harper.

Chicago

Richards Owain Westmacott, . 1961. The social insects. New York: Harper.

Harvard

Richards O. W., . (1961). The social insects. New York: Harper.

MLA

Richards Owain Westmacott, . The social insects. New York: Harper. 1961.