APA

Hall B. P., . (1973). Value clarification as learning process: a guidebook. New York: Paulist Press.

Chicago

Hall Brian P, . 1973. Value clarification as learning process: a guidebook. New York: Paulist Press.

Harvard

Hall B. P., . (1973). Value clarification as learning process: a guidebook. New York: Paulist Press.

MLA

Hall Brian P, . Value clarification as learning process: a guidebook. New York: Paulist Press. 1973.