APA (7th ed.) Citation

Festeu, D., & Humberstone, B. (2006). Non-formal education through outdoor activities guide / Dorin Festeu & Barbara Humberstone. European Institute for Outdoor Adventure Education and Experiential Learning.

Chicago Style (17th ed.) Citation

Festeu, Dorin, and Barbara Humberstone. Non-formal Education Through Outdoor Activities Guide / Dorin Festeu & Barbara Humberstone. [S.l.]: European Institute for Outdoor Adventure Education and Experiential Learning, 2006.

MLA (9th ed.) Citation

Festeu, Dorin, and Barbara Humberstone. Non-formal Education Through Outdoor Activities Guide / Dorin Festeu & Barbara Humberstone. European Institute for Outdoor Adventure Education and Experiential Learning, 2006.

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