Cita APA (7th ed.)

Coombs, C. I. 1. (1960). Gateway to space. Morrow.

Cita Chicago (17th ed.)

Coombs, Charles Ira 1914. Gateway to Space. New York: Morrow, 1960.

Cita MLA (9th ed.)

Coombs, Charles Ira 1914. Gateway to Space. Morrow, 1960.