Cita APA (7th ed.)

(1972). A survey of research in geography: A project. Popular Prakashan.

Cita Chicago (17th ed.)

A Survey of Research in Geography: A Project. Bombay: Popular Prakashan, 1972.

Cita MLA (9th ed.)

A Survey of Research in Geography: A Project. Popular Prakashan, 1972.

Atenció: Aquestes cites poden no estar 100% correctes.