APA (7th ed.) Citation

Detert, R. A. (1978). A comparison of two methods of instruction on learning and retention of ninth grade health education students. [publisher not identified].

Chicago Style (17th ed.) Citation

Detert, Richard Arlan. A Comparison of Two Methods of Instruction on Learning and Retention of Ninth Grade Health Education Students. [Place of publication not identified]: [publisher not identified], 1978.

MLA (9th ed.) Citation

Detert, Richard Arlan. A Comparison of Two Methods of Instruction on Learning and Retention of Ninth Grade Health Education Students. [publisher not identified], 1978.