APA (7th ed.) Citation

Day, Harrison, & Halpin. (2008). An integrative approach to leader development: Connecting adult development, identity, and expertise. Psychology Press.

Chicago Style (17th ed.) Citation

Day, Harrison, and Halpin. An Integrative Approach to Leader Development: Connecting Adult Development, Identity, and Expertise. New York: Psychology Press, 2008.

MLA (8th ed.) Citation

Day, et al. An Integrative Approach to Leader Development: Connecting Adult Development, Identity, and Expertise. Psychology Press, 2008.