Cita APA (7a ed.)

Arnold,George. (1926). A monograph of the Formicidae of South Africa.

Cita Chicago Style (17a ed.)

Arnold,George. A Monograph of the Formicidae of South Africa. -AFR, 1926.

Cita MLA (8a ed.)

Arnold,George. A Monograph of the Formicidae of South Africa. 1926.