APA (7th ed.) Citation

Gernsback, H. Ralph 124C 41+: A Romance of the Year 2660.

Chicago Style (17th ed.) Citation

Gernsback, Hugo. Ralph 124C 41+: A Romance of the Year 2660.

MLA (9th ed.) Citation

Gernsback, Hugo. Ralph 124C 41+: A Romance of the Year 2660.

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