APA (7th ed.) Citation

Karp, I. M., Pianykh, Y., & Pianykh, K. K. (2019). Utilization of Sewage Sludge.

Chicago Style (17th ed.) Citation

Karp, I. M., Ye Pianykh, and K. K. Pianykh. Utilization of Sewage Sludge. 2019.

MLA (8th ed.) Citation

Karp, I. M., et al. Utilization of Sewage Sludge. 2019.

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