Cita APA (7a ed.)

Levinson, H., & Lang, C. (1981). Executive. Harvard University Press.

Cita Chicago Style (17a ed.)

Levinson, Harry, y Cynthia Lang. Executive. Cambridge (Massachusetts) [etc.]: Harvard University Press, 1981.

Cita MLA (9a ed.)

Levinson, Harry, y Cynthia Lang. Executive. Harvard University Press, 1981.