Cita APA (7a ed.)

Academy for Educational Development & Eurich, A. C. (1981). Major Transitions in the human life cycle. Lexington Books.

Cita Chicago Style (17a ed.)

Academy for Educational Development y Alvin C. Eurich. Major Transitions in the Human Life Cycle. Lexington, Mass. [u.a.]: Lexington Books, 1981.

Cita MLA (9a ed.)

Academy for Educational Development y Alvin C. Eurich. Major Transitions in the Human Life Cycle. Lexington Books, 1981.