APA (7th ed.) Citation

Kalinichenko, K. V., Nikovskaja, G. N., & Ulberg, Z. R. (2012). Heavy metals state in sludge colloid systems.

Chicago Style (17th ed.) Citation

Kalinichenko, K. V., G. N. Nikovskaja, and Z. R. Ulberg. Heavy Metals State in Sludge Colloid Systems. 2012.

MLA (8th ed.) Citation

Kalinichenko, K. V., et al. Heavy Metals State in Sludge Colloid Systems. 2012.

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