APA (7th ed.) Citation

Levkova, E. A., Polumienko, S. K., & Savin, S. Z. (2015). Geoinformation systems in human ecology.

Chicago Style (17th ed.) Citation

Levkova, E. A., S. K. Polumienko, and S. Z. Savin. Geoinformation Systems in Human Ecology. 2015.

MLA (8th ed.) Citation

Levkova, E. A., et al. Geoinformation Systems in Human Ecology. 2015.

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