Cita APA (7a ed.)

Feldman, R. S. (2003). Development across the life span (3ed.). Prentice Halll.

Cita Chicago Style (17a ed.)

Feldman, Robert. S. Development Across the Life Span. 3ed. Upper Saddle River: Prentice Halll, 2003.

Cita MLA (9a ed.)

Feldman, Robert. S. Development Across the Life Span. 3ed. Prentice Halll, 2003.