APA

Simon S. B., Howe L. W. & Kirschenbaum H. (1972). Values clarification: a handbook of practical strategies for teachers and students. New York: Hart Pub. Co.

Chicago

Simon Sidney B, Howe Leland W and Kirschenbaum Howard. 1972. Values clarification: a handbook of practical strategies for teachers and students. New York: Hart Pub. Co.

Harvard

Simon S. B., Howe L. W. and Kirschenbaum H. (1972). Values clarification: a handbook of practical strategies for teachers and students. New York: Hart Pub. Co.

MLA

Simon Sidney B, Howe Leland W and Kirschenbaum Howard. Values clarification: a handbook of practical strategies for teachers and students. New York: Hart Pub. Co. 1972.