Cita APA (7a ed.)

Helmericks, H. (1974). The last of the pilots. Ballantine Books.

Cita Chicago Style (17a ed.)

Helmericks, Harmon. The Last of the Pilots. New York: Ballantine Books, 1974.

Cita MLA (9a ed.)

Helmericks, Harmon. The Last of the Pilots. Ballantine Books, 1974.