Cita APA (7a ed.)

Westra, H. A., & Kuiper, N. A. (1992). Type A, irrational cognitions, and situational factors relating to stress. [s.n.].

Cita Chicago Style (17a ed.)

Westra, Henny A., y Nicholas A. Kuiper. Type A, Irrational Cognitions, and Situational Factors Relating to Stress. [S.l.]: [s.n.], 1992.

Cita MLA (9a ed.)

Westra, Henny A., y Nicholas A. Kuiper. Type A, Irrational Cognitions, and Situational Factors Relating to Stress. [s.n.], 1992.