Cita APA (7a ed.)

Fraenkel, P., Markman, H., & Stanley, S. (1997). The prevention approach to relationship problems. [s.n.].

Cita Chicago Style (17a ed.)

Fraenkel, Peter, Howard Markman, y Scott Stanley. The Prevention Approach to Relationship Problems. [S.l.]: [s.n.], 1997.

Cita MLA (9a ed.)

Fraenkel, Peter, et al. The Prevention Approach to Relationship Problems. [s.n.], 1997.