Cita APA (7a ed.)

Sanders, R., & Forrest, M. (1992). Serving time together: A correspondence of hearts. Element.

Cita Chicago Style (17a ed.)

Sanders, Ruth, y Martin Forrest. Serving Time Together: A Correspondence of Hearts. Rockport, Mass. [u.a.]: Element, 1992.

Cita MLA (8a ed.)

Sanders, Ruth, y Martin Forrest. Serving Time Together: A Correspondence of Hearts. Element, 1992.