APA (7th ed.) Citation

International Conference for Development of Environmental Engineering Education Herľany, Slovensko, & International Council of Environmental Engineering Education. (2011). 2nd International Conference for Development of Environmental Engineering Education: Conference Proceedings (1st issue.). Elfa.

Chicago Style (17th ed.) Citation

International Conference for Development of Environmental Engineering Education Herľany, Slovensko, and International Council of Environmental Engineering Education. 2nd International Conference for Development of Environmental Engineering Education: Conference Proceedings. 1st issue. Košice: Elfa, 2011.

MLA (9th ed.) Citation

International Conference for Development of Environmental Engineering Education Herľany, Slovensko, and International Council of Environmental Engineering Education. 2nd International Conference for Development of Environmental Engineering Education: Conference Proceedings. 1st issue. Elfa, 2011.