APA (7th ed.) Citation

Heintz, K. (2014). Discussion of matter and demonstrations of how air and gas take up space and have volume. Encyclopedia Britannica.

Chicago Style (17th ed.) Citation

Heintz, Kurt. Discussion of Matter and Demonstrations of How Air and Gas Take Up Space and Have Volume. Chicago, IL: Encyclopedia Britannica, 2014.

MLA (9th ed.) Citation

Heintz, Kurt. Discussion of Matter and Demonstrations of How Air and Gas Take Up Space and Have Volume. Encyclopedia Britannica, 2014.

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