APA (7th ed.) Citation

Baltes, P. B. (1987). Theoretical propositions of life-span developmental psychology: On the dynamics between growth and decline. Developmental psychology, 23(5), 611-626.

Chicago Style (17th ed.) Citation

Baltes, Paul B. "Theoretical Propositions of Life-span Developmental Psychology: On the Dynamics Between Growth and Decline." Developmental Psychology 23, no. 5 (1987): 611-626.

MLA (8th ed.) Citation

Baltes, Paul B. "Theoretical Propositions of Life-span Developmental Psychology: On the Dynamics Between Growth and Decline." Developmental Psychology, vol. 23, no. 5, 1987, pp. 611-626.