Cita APA (7a ed.)

Olson, K. L., & Wong, E. H. (2001). Loneliness in marriage. [s.n.].

Cita Chicago Style (17a ed.)

Olson, Kimberly L., y Eugene H. Wong. Loneliness in Marriage. [S.l.]: [s.n.], 2001.

Cita MLA (9a ed.)

Olson, Kimberly L., y Eugene H. Wong. Loneliness in Marriage. [s.n.], 2001.