APA (7th ed.) Citation

Scharf, C. (2009). Extrasolar planets and astrobiology. University Science Books.

Chicago Style (17th ed.) Citation

Scharf, Caleb. Extrasolar Planets and Astrobiology. Sausalito, Calif.: University Science Books, 2009.

MLA (9th ed.) Citation

Scharf, Caleb. Extrasolar Planets and Astrobiology. University Science Books, 2009.

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