Cita APA (7a ed.)

Mattson, D. L., Christensen, O. J., & England, J. T. (1990). The effectiveness of a specific marital enrichment program: TIME. [s.n.].

Cita Chicago Style (17a ed.)

Mattson, Donald L., O. J. Christensen, y J. T. England. The Effectiveness of a Specific Marital Enrichment Program: TIME. [S.l.]: [s.n.], 1990.

Cita MLA (9a ed.)

Mattson, Donald L., et al. The Effectiveness of a Specific Marital Enrichment Program: TIME. [s.n.], 1990.

Precaución: Estas citas no son 100% exactas.