Cita APA (7a ed.)

Stevens, F. E., & L'Abate, L. (1986). Structured enrichment (SE) of a couple. [s.n.].

Cita Chicago Style (17a ed.)

Stevens, Frederic E., y Luciano L'Abate. Structured Enrichment (SE) of a Couple. [S.l.]: [s.n.], 1986.

Cita MLA (9a ed.)

Stevens, Frederic E., y Luciano L'Abate. Structured Enrichment (SE) of a Couple. [s.n.], 1986.