APA (7th ed.) Citation

Then, Y. P. (2007). Escherichia coli die-off in swine wastewater lagoons.

Chicago Style (17th ed.) Citation

Then, Yin Ping. Escherichia Coli Die-off in Swine Wastewater Lagoons. 2007.

MLA (8th ed.) Citation

Then, Yin Ping. Escherichia Coli Die-off in Swine Wastewater Lagoons. 2007.

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