Cita APA (7a ed.)

Creth, S. D., & Duda, F. (1989). Personnel administration in libraries (2nd ed.). [s.n.].

Cita Chicago Style (17a ed.)

Creth, Sheila D., y Frederick Duda. Personnel Administration in Libraries. 2nd ed. New York: [s.n.], 1989.

Cita MLA (9a ed.)

Creth, Sheila D., y Frederick Duda. Personnel Administration in Libraries. 2nd ed. [s.n.], 1989.