Cita APA (7a ed.)

Schwartzman, A. E. (1987). Stability of intelligence: A 40-year follow-up. Canadian journal of psychology, 41(2), 244-256.

Cita Chicago Style (17a ed.)

Schwartzman, Alex E. "Stability of Intelligence: A 40-year Follow-up." Canadian Journal of Psychology 41, no. 2 (1987): 244-256.

Cita MLA (9a ed.)

Schwartzman, Alex E. "Stability of Intelligence: A 40-year Follow-up." Canadian Journal of Psychology, vol. 41, no. 2, 1987, pp. 244-256.