DVS Edition Citation

Hines, E. (2009, 24. April). Of air and gravity. Zugriff unter http://h2oustonswims.org/articles/air&gravity2000.html

APA (7th ed.) Citation

Hines, E. (2000). Of air and gravity.

Chicago Style (17th ed.) Citation

Hines, E. Of Air and Gravity. 2000.

MLA (9th ed.) Citation

Hines, E. Of Air and Gravity. 2000.