Cita APA

Mitchell, H. B., & Helen Buss Mitchell. Roots of wisdom. Belmont, CA: Thomson/Wadsworth.

Chicago Style Citation

Mitchell, Helen Buss, i Helen Buss Mitchell. Roots of Wisdom. Belmont, CA: Thomson/Wadsworth.

Cita MLA

Mitchell, Helen Buss, i Helen Buss Mitchell. Roots of Wisdom. Belmont, CA: Thomson/Wadsworth.

Atenció: Aquestes cites poden no estar 100% correctes.