Cita APA (7th ed.)

Crump, B. (1964). Gulf. A. H. & A. W. Reed.

Cita Chicago (17th ed.)

Crump, Barry. Gulf. Wellington: A. H. & A. W. Reed, 1964.

Cita MLA (8th ed.)

Crump, Barry. Gulf. A. H. & A. W. Reed, 1964.