APA (7th ed.) Citation

Farr, R. C., Strickland, D. S., & Abrahamson, R. F. (1993). Endless worlds. Harcourt Brace Jovanovich.

Chicago Style (17th ed.) Citation

Farr, Roger C., Dorothy S. Strickland, and Richard F. Abrahamson. Endless Worlds. Orlando: Harcourt Brace Jovanovich, 1993.

MLA (9th ed.) Citation

Farr, Roger C., et al. Endless Worlds. Harcourt Brace Jovanovich, 1993.