Cita APA (7a ed.)

Freiberg, K. L. (1998). Human development 98/99 (26th ed.). Dushkin/McGraw-Hill.

Cita Chicago Style (17a ed.)

Freiberg, Karen L. Human Development 98/99. 26th ed. Guilford, Conn: Dushkin/McGraw-Hill, 1998.

Cita MLA (9a ed.)

Freiberg, Karen L. Human Development 98/99. 26th ed. Dushkin/McGraw-Hill, 1998.

Precaución: Estas citas no son 100% exactas.