APA (7th ed.) Citation

Wikborg, E. (2010). Space tourism issues. Nova Science Publishers.

Chicago Style (17th ed.) Citation

Wikborg, Elias. Space Tourism Issues. New York: Nova Science Publishers, 2010.

MLA (9th ed.) Citation

Wikborg, Elias. Space Tourism Issues. Nova Science Publishers, 2010.

Warning: These citations may not always be 100% accurate.