APA (7th ed.) Citation

Kieffer, L. F. (1974). The relationship of trait anxiety, peer presence, task difficulty, and skill acquisition of sixth grade boys. Kieffer.

Chicago Style (17th ed.) Citation

Kieffer, Leigh F. The Relationship of Trait Anxiety, Peer Presence, Task Difficulty, and Skill Acquisition of Sixth Grade Boys. [Tallahassee, Fla.]: Kieffer, 1974.

MLA (9th ed.) Citation

Kieffer, Leigh F. The Relationship of Trait Anxiety, Peer Presence, Task Difficulty, and Skill Acquisition of Sixth Grade Boys. Kieffer, 1974.