APA (7th ed.) Citation

Atkinson, A. B., Barker, P., & Atkinson, A. B. (1998). Living as equals. Oxford University Press.

Chicago Style (17th ed.) Citation

Atkinson, A. B., Paul Barker, and Alexander B. Atkinson. Living as Equals. Oxford: Oxford University Press, 1998.

MLA (8th ed.) Citation

Atkinson, A. B., et al. Living as Equals. Oxford University Press, 1998.