Cita APA (7a ed.)
Bee, H. L. (1998). Lifespan development (2nd ed.). Longman.
Cita Chicago Style (17a ed.)
Bee, Helen L. Lifespan Development. 2nd ed. New York: Longman, 1998.
Cita MLA (9a ed.)
Bee, Helen L. Lifespan Development. 2nd ed. Longman, 1998.
Precaución: Estas citas no son 100% exactas.