APA (7th ed.) Citation

United States. Extension Service & Heller, J. H. (1972). Camping with a purpose: A 4-H handbook. [U.S. Dept. of Agriculture Extension Service].

Chicago Style (17th ed.) Citation

United States. Extension Service and John H. Heller. Camping with a Purpose: A 4-H Handbook. [Washington, D.C.]: [U.S. Dept. of Agriculture Extension Service], 1972.

MLA (9th ed.) Citation

United States. Extension Service and John H. Heller. Camping with a Purpose: A 4-H Handbook. [U.S. Dept. of Agriculture Extension Service], 1972.