APA (7th ed.) Citation

Walker, S. (1981). A survey of corporate fitness programs. [publisher not identified].

Chicago Style (17th ed.) Citation

Walker, Sheila. A Survey of Corporate Fitness Programs. [Place of publication not identified]: [publisher not identified], 1981.

MLA (9th ed.) Citation

Walker, Sheila. A Survey of Corporate Fitness Programs. [publisher not identified], 1981.

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