APA (7th ed.) Citation

Hayes, D. L. (1977). Risk-taking preferences of children at an adventure playground program. [publisher not identified].

Chicago Style (17th ed.) Citation

Hayes, Darlene Lois. Risk-taking Preferences of Children at an Adventure Playground Program. [Place of publication not identified]: [publisher not identified], 1977.

MLA (9th ed.) Citation

Hayes, Darlene Lois. Risk-taking Preferences of Children at an Adventure Playground Program. [publisher not identified], 1977.