Cita APA (7a ed.)

Hawley, D. R., & Olson, D. H. L. (1995). Enriching newlyweds: An evaluation of three enrichment programs. [s.n.].

Cita Chicago Style (17a ed.)

Hawley, Dale R., y David H. L. Olson. Enriching Newlyweds: An Evaluation of Three Enrichment Programs. [S.l.]: [s.n.], 1995.

Cita MLA (9a ed.)

Hawley, Dale R., y David H. L. Olson. Enriching Newlyweds: An Evaluation of Three Enrichment Programs. [s.n.], 1995.