APA (7th ed.) Citation

Ewart, P., & Snowdon, P. (1990). Multiplex degenerate four-wave mixing in a flame.

Chicago Style (17th ed.) Citation

Ewart, P., and P. Snowdon. Multiplex Degenerate Four-wave Mixing in a Flame. 1990.

MLA (9th ed.) Citation

Ewart, P., and P. Snowdon. Multiplex Degenerate Four-wave Mixing in a Flame. 1990.

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