APA (7th ed.) Citation

Peyton, K. M., & Ambrus, V. G. (1969). The edge of the cloud ([1st American ed.].). World Pub. Co..

Chicago Style (17th ed.) Citation

Peyton, K. M., and Victor G. Ambrus. The Edge of the Cloud. [1st American ed.]. New York: World Pub. Co., 1969.

MLA (8th ed.) Citation

Peyton, K. M., and Victor G. Ambrus. The Edge of the Cloud. [1st American ed.]. World Pub. Co., 1969.