Cita APA (7th ed.)
Hopkins,Roy J. (1983). Adolescence: The transtional years. Academic.
Cita Chicago (17th ed.)
Hopkins,Roy J. Adolescence: The Transtional Years. New York: Academic, 1983.
Cita MLA (9th ed.)
Hopkins,Roy J. Adolescence: The Transtional Years. Academic, 1983.
Atenció: Aquestes cites poden no estar 100% correctes.