APA (7th ed.) Citation

Rupert, R. (1963). A hidden world ([1st ed.].). World Pub. Co..

Chicago Style (17th ed.) Citation

Rupert, Raphael. A Hidden World. [1st ed.]. Cleveland: World Pub. Co., 1963.

MLA (9th ed.) Citation

Rupert, Raphael. A Hidden World. [1st ed.]. World Pub. Co., 1963.

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