APA (7th ed.) Citation

Judd, J. A. (1983). Children's ratings of perceived exertion: A comparison between ratio and category scaling. [publisher not identified].

Chicago Style (17th ed.) Citation

Judd, Jo Ann. Children's Ratings of Perceived Exertion: A Comparison Between Ratio and Category Scaling. [Place of publication not identified]: [publisher not identified], 1983.

MLA (9th ed.) Citation

Judd, Jo Ann. Children's Ratings of Perceived Exertion: A Comparison Between Ratio and Category Scaling. [publisher not identified], 1983.