Cita APA (7a ed.)

Cohen, E., & Spector, S. (2019). Space tourism: The elusive dream (First edition.). Emerald Publishing.

Cita Chicago Style (17a ed.)

Cohen, Erik, y Sam Spector. Space Tourism: The Elusive Dream. First edition. Bingley: Emerald Publishing, 2019.

Cita MLA (8a ed.)

Cohen, Erik, y Sam Spector. Space Tourism: The Elusive Dream. First edition. Emerald Publishing, 2019.