APA (7th ed.) Citation

Pourade, R. F. (1960). The explorers ([1st ed.). Union-Tribune Pub. Co..

Chicago Style (17th ed.) Citation

Pourade, Richard F. The Explorers. [1st ed. San Diego]: Union-Tribune Pub. Co., 1960.

MLA (9th ed.) Citation

Pourade, Richard F. The Explorers. [1st ed. Union-Tribune Pub. Co., 1960.

Warning: These citations may not always be 100% accurate.