Cita APA (7a ed.)

Baer, D. M. (1973). Life-span developmental psychology: Methodological issues. Academic Press.

Cita Chicago Style (17a ed.)

Baer, Donald M.. Life-span Developmental Psychology: Methodological Issues. New York [etc.]: Academic Press, 1973.

Cita MLA (9a ed.)

Baer, Donald M.. Life-span Developmental Psychology: Methodological Issues. Academic Press, 1973.