Cita APA (7a ed.)

Neal, H. E. (1980). The secret service in action. Elsevier/Nelson Books.

Cita Chicago Style (17a ed.)

Neal, Harry Edward. The Secret Service in Action. New York: Elsevier/Nelson Books, 1980.

Cita MLA (9a ed.)

Neal, Harry Edward. The Secret Service in Action. Elsevier/Nelson Books, 1980.