APA (7th ed.) Citation

Scheeter, D. J. (1981). Learner preference and recognition accuracy related to background color sequence and presentation time of projected abstract symbols. [publisher not identified].

Chicago Style (17th ed.) Citation

Scheeter, Donna Joan. Learner Preference and Recognition Accuracy Related to Background Color Sequence and Presentation Time of Projected Abstract Symbols. [Place of publication not identified]: [publisher not identified], 1981.

MLA (9th ed.) Citation

Scheeter, Donna Joan. Learner Preference and Recognition Accuracy Related to Background Color Sequence and Presentation Time of Projected Abstract Symbols. [publisher not identified], 1981.