APA (7th ed.) Citation

Ruggles, S. D. (1969). Placebo program branching and learner self-concepts. [publisher not identified].

Chicago Style (17th ed.) Citation

Ruggles, Stanford Dean. Placebo Program Branching and Learner Self-concepts. [Place of publication not identified]: [publisher not identified], 1969.

MLA (9th ed.) Citation

Ruggles, Stanford Dean. Placebo Program Branching and Learner Self-concepts. [publisher not identified], 1969.