APA (7th ed.) Citation

Hartsoe, C. (1970). The contributions of Charles K. Brightbill to the recreation movement. [publisher not identified].

Chicago Style (17th ed.) Citation

Hartsoe, Charles. The Contributions of Charles K. Brightbill to the Recreation Movement. [Place of publication not identified]: [publisher not identified], 1970.

MLA (9th ed.) Citation

Hartsoe, Charles. The Contributions of Charles K. Brightbill to the Recreation Movement. [publisher not identified], 1970.

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