APA (7th ed.) Citation

Alkemade, T., Hollander, T., Snelleman, W., & Zeegers, P. J. Metal vapours in flames.

Chicago Style (17th ed.) Citation

Alkemade, Th, Tj Hollander, W. Snelleman, and P. J. Zeegers. Metal Vapours in Flames.

MLA (9th ed.) Citation

Alkemade, Th, et al. Metal Vapours in Flames.