Cita APA (7a ed.)

Simmons, A. (1912). A class book of physical geography. Macmillan.

Cita Chicago Style (17a ed.)

Simmons, A. A Class Book of Physical Geography. London: Macmillan, 1912.

Cita MLA (9a ed.)

Simmons, A. A Class Book of Physical Geography. Macmillan, 1912.