APA (7th ed.) Citation

Helmstetter, H., & Oswald, N. (2016). Hurwitz's counting isomers of alkanes.

Chicago Style (17th ed.) Citation

Helmstetter, Holger, and Nicola Oswald. Hurwitz's Counting Isomers of Alkanes. 2016.

MLA (9th ed.) Citation

Helmstetter, Holger, and Nicola Oswald. Hurwitz's Counting Isomers of Alkanes. 2016.

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