APA (7th ed.) Citation

Heppenheimer, T. A. (1978). Colonies in space. Stackpole Books.

Chicago Style (17th ed.) Citation

Heppenheimer, T. A. Colonies in Space. Harrisburg, Pa.: Stackpole Books, 1978.

MLA (9th ed.) Citation

Heppenheimer, T. A. Colonies in Space. Stackpole Books, 1978.

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