APA Citatie

Hester, J. (2007). 21st Century Astronomy the Solar System. McGraw Hill Companies Inc.

Chicago Style citaat

Hester, Jeff. 21st Century Astronomy the Solar System. McGraw Hill Companies Inc, 2007.

MLA citatie

Hester, Jeff. 21st Century Astronomy the Solar System. McGraw Hill Companies Inc, 2007.

Let op: Deze citaties zijn niet altijd 100% accuraat.