Cita APA (7a ed.)

Laird, D. A., & Laird, E. C. (1951). Sizing up people. McGraw-Hill.

Cita Chicago Style (17a ed.)

Laird, Donald Anderson, y Eleanor C. Laird. Sizing Up People. New York: McGraw-Hill, 1951.

Cita MLA (9a ed.)

Laird, Donald Anderson, y Eleanor C. Laird. Sizing Up People. McGraw-Hill, 1951.