Cita APA (7a ed.)

Fry, B. M., & Hernon, P. (1981). Government publications: Key papers. Pergamon Press.

Cita Chicago Style (17a ed.)

Fry, Bernard M., y Peter Hernon. Government Publications: Key Papers. Oxford ; New York: Pergamon Press, 1981.

Cita MLA (8a ed.)

Fry, Bernard M., y Peter Hernon. Government Publications: Key Papers. Pergamon Press, 1981.