Cita APA (7th ed.)
Schaller, L. E. (1983). Growing plans. Abingdon Press.
Cita Chicago (17th ed.)
Schaller, Lyle E. Growing Plans. Nashville: Abingdon Press, 1983.
Cita MLA (9th ed.)
Schaller, Lyle E. Growing Plans. Abingdon Press, 1983.
Atenció: Aquestes cites poden no estar 100% correctes.