APA (7th ed.) Citation

Zabarenko, R. N., & Zabarenko, L. (1978). The doctor tree: Developmental stages in the growth of physicians. University of Pittsburgh Press.

Chicago Style (17th ed.) Citation

Zabarenko, Ralph N., and Lucy Zabarenko. The Doctor Tree: Developmental Stages in the Growth of Physicians. Pittsburgh: University of Pittsburgh Press, 1978.

MLA (9th ed.) Citation

Zabarenko, Ralph N., and Lucy Zabarenko. The Doctor Tree: Developmental Stages in the Growth of Physicians. University of Pittsburgh Press, 1978.