Cita APA (7th ed.)

Ed. by Unstead , J. F. (1935). A systematic regional geography: A post - matriculation course. un. pr..

Cita Chicago (17th ed.)

Ed. by Unstead , John Frederick. A Systematic Regional Geography: A Post - Matriculation Course. London: un. pr., 1935.

Cita MLA (9th ed.)

Ed. by Unstead , John Frederick. A Systematic Regional Geography: A Post - Matriculation Course. un. pr., 1935.