Cita APA (7th ed.)

Spangenburg, R., & Moser, D. (1989). Living and working in space (space exploration). Facts On File.

Cita Chicago (17th ed.)

Spangenburg, Ray, i Diane Moser. Living and Working in Space (space Exploration). New York: Facts On File, 1989.

Cita MLA (9th ed.)

Spangenburg, Ray, i Diane Moser. Living and Working in Space (space Exploration). Facts On File, 1989.