APA (7th ed.) Citation

Mitchner, E. A., & Tuffs, R. J. (1989). One world. Reidmore Books.

Chicago Style (17th ed.) Citation

Mitchner, E. Alyn, and R. Joanne Tuffs. One World. Edmonton: Reidmore Books, 1989.

MLA (9th ed.) Citation

Mitchner, E. Alyn, and R. Joanne Tuffs. One World. Reidmore Books, 1989.