Gaya APA

C, F., T, T. (1944). Elements of Geography : Physical and Culture Vol.1 (Vol.1). United States: United States Armed Forces Institute.

Gaya MLA

C, Finch,Verner., T, Trewertha,Clenn. "Elements of Geography : Physical and Culture Vol.1". Vol.1 United States: United States Armed Forces Institute, 1944. Text.