APA (7th ed.) Citation

Dacey, J., & Travers, J. (1991). Human development: Across the lifespan. WCB.

Chicago Style (17th ed.) Citation

Dacey, John, and John Travers. Human Development: Across the Lifespan. Boulevard: WCB, 1991.

MLA (9th ed.) Citation

Dacey, John, and John Travers. Human Development: Across the Lifespan. WCB, 1991.