APA (7th ed.) Citation

National Recreation Congress & National Recreation Association. (1947). Proceedings of the ... National Recreation Congress. National Recreation Association.

Chicago Style (17th ed.) Citation

National Recreation Congress and National Recreation Association. Proceedings of the ... National Recreation Congress. New York: National Recreation Association, 1947.

MLA (9th ed.) Citation

National Recreation Congress and National Recreation Association. Proceedings of the ... National Recreation Congress. National Recreation Association, 1947.