Cita APA (7th ed.)
Berk, L. E. (1998). Development through the lifespan. Allyn and Bacon.
Cita Chicago (17th ed.)
Berk, Laura E. Development Through the Lifespan. Boston: Allyn and Bacon, 1998.
Cita MLA (9th ed.)
Berk, Laura E. Development Through the Lifespan. Allyn and Bacon, 1998.
Atenció: Aquestes cites poden no estar 100% correctes.