Cita APA (7th ed.)

Holden, J. (2011). Physical geography: The basics. Routledge.

Cita Chicago (17th ed.)

Holden, Joseph. Physical Geography: The Basics. London: Routledge, 2011.

Cita MLA (9th ed.)

Holden, Joseph. Physical Geography: The Basics. Routledge, 2011.