APA (7th ed.) Citation

Bachert, R. E. (1976). Eco-sketch: Ideas for environmental education. American Camping Association.

Chicago Style (17th ed.) Citation

Bachert, Russel E. Eco-sketch: Ideas for Environmental Education. Martinsville, Ind.: American Camping Association, 1976.

MLA (9th ed.) Citation

Bachert, Russel E. Eco-sketch: Ideas for Environmental Education. American Camping Association, 1976.