APA (7th ed.) Citation

Wollheim, D. A. (1971). The universe makers: Science fiction today. Harper & Row.

Chicago Style (17th ed.) Citation

Wollheim, Donald A. The Universe Makers: Science Fiction Today. New York: Harper & Row, 1971.

MLA (9th ed.) Citation

Wollheim, Donald A. The Universe Makers: Science Fiction Today. Harper & Row, 1971.

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