APA (7th ed.) Citation

Then, Y., Ling, T. Y., & Kasing, A. (2004). Survival of Escherichia Coli in pig farm wastewater.

Chicago Style (17th ed.) Citation

Then, Y.P, Teck Yee Ling, and A. Kasing. Survival of Escherichia Coli in Pig Farm Wastewater. 2004.

MLA (9th ed.) Citation

Then, Y.P, et al. Survival of Escherichia Coli in Pig Farm Wastewater. 2004.