APA (7th ed.) Citation

Gernsback, H. (1952). Evolution of modern science fiction. [publisher not identified].

Chicago Style (17th ed.) Citation

Gernsback, Hugo. Evolution of Modern Science Fiction. [New York]: [publisher not identified], 1952.

MLA (9th ed.) Citation

Gernsback, Hugo. Evolution of Modern Science Fiction. [publisher not identified], 1952.

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