APA (7th ed.) Citation

Peet, R., & Hartwick, E. R. (1999). Theories of development. Guilford Press.

Chicago Style (17th ed.) Citation

Peet, Richard, and Elaine R. Hartwick. Theories of Development. New York: Guilford Press, 1999.

MLA (8th ed.) Citation

Peet, Richard, and Elaine R. Hartwick. Theories of Development. Guilford Press, 1999.