Cita APA (7th ed.)

Broek,. (1965). Geography: Its scope and spirit. Charles E. Merrill.

Cita Chicago (17th ed.)

Broek. Geography: Its Scope and Spirit. Columbus, Ohio: Charles E. Merrill, 1965.

Cita MLA (9th ed.)

Broek. Geography: Its Scope and Spirit. Charles E. Merrill, 1965.

Atenció: Aquestes cites poden no estar 100% correctes.