APA (7th ed.) Citation

Harlan, J. C. (1984). Zwingo in the 34th century. Todd & Honeywell.

Chicago Style (17th ed.) Citation

Harlan, John C. Zwingo in the 34th Century. Great Neck, N.Y.: Todd & Honeywell, 1984.

MLA (9th ed.) Citation

Harlan, John C. Zwingo in the 34th Century. Todd & Honeywell, 1984.

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