APA (7th ed.) Citation

Duncan, R., Boughn, M., & Coleman, V. (2011). The H.D. book. University of California Press.

Chicago Style (17th ed.) Citation

Duncan, Robert, Michael Boughn, and Victor Coleman. The H.D. Book. Berkeley: University of California Press, 2011.

MLA (9th ed.) Citation

Duncan, Robert, et al. The H.D. Book. University of California Press, 2011.