Cita APA (7a ed.)

Beck, A. T., Emery, G., & Greenberg, R. L. (1985). Anxiety disorders and phobias: : a cognitive perspective. Basic books.

Cita Chicago Style (17a ed.)

Beck, Aaron T., Gary Emery, y Ruth L. Greenberg. Anxiety Disorders and Phobias: : A Cognitive Perspective. [New York]: Basic books, 1985.

Cita MLA (9a ed.)

Beck, Aaron T., et al. Anxiety Disorders and Phobias: : A Cognitive Perspective. Basic books, 1985.