Cita APA (7a ed.)

Smolak, L. (1993). Adult development. Prentice-Hall.

Cita Chicago Style (17a ed.)

Smolak, Linda. Adult Development. Englewood Cliffs, New Jersey: Prentice-Hall, 1993.

Cita MLA (9a ed.)

Smolak, Linda. Adult Development. Prentice-Hall, 1993.