APA (7th ed.) Citation

Levkovska, Y., & Kovalchuk, L. Y. (2013). Hygiene of recreational zones: Modern state of the problem and perspectives of development.

Chicago Style (17th ed.) Citation

Levkovska, Yu, and L. Y. Kovalchuk. Hygiene of Recreational Zones: Modern State of the Problem and Perspectives of Development. 2013.

MLA (8th ed.) Citation

Levkovska, Yu, and L. Y. Kovalchuk. Hygiene of Recreational Zones: Modern State of the Problem and Perspectives of Development. 2013.

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