APA (7th ed.) Zitazioa

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

Chicago Style (17th ed.) Zitazioa

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

MLA (9th ed.) Zitazioa

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