APA (7th ed.) Citation

Nielsen, H. G. (2021). Outdoor Recreation: Physiological and Psychological Effects on Health. IntechOpen.

Chicago Style (17th ed.) Citation

Nielsen, Hilde G. Outdoor Recreation: Physiological and Psychological Effects on Health. IntechOpen, 2021.

MLA (9th ed.) Citation

Nielsen, Hilde G. Outdoor Recreation: Physiological and Psychological Effects on Health. IntechOpen, 2021.

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