APA (7th ed.) Citation

Gernsback, H. (1925). Ralph 124C 41+: A romance of the year 2660. The Stratford company.

Chicago Style (17th ed.) Citation

Gernsback, Hugo. Ralph 124C 41+: A Romance of the Year 2660. Boston, Mass.: The Stratford company, 1925.

MLA (9th ed.) Citation

Gernsback, Hugo. Ralph 124C 41+: A Romance of the Year 2660. The Stratford company, 1925.