Cita APA (7th ed.)

Stevens-Long, J., & Commons, M. L. (1992). Adult life: Developmental processes (4th.). Mayfield.

Cita Chicago (17th ed.)

Stevens-Long, Judith, i Michael L. Commons. Adult Life: Developmental Processes. 4th. California: Mayfield, 1992.

Cita MLA (9th ed.)

Stevens-Long, Judith, i Michael L. Commons. Adult Life: Developmental Processes. 4th. Mayfield, 1992.