Cita APA (7a ed.)

Ramos, L. M. d. (1984). Frequency of intercourse among American adolescents: Specification and testing of a model. Univ. Microfilms Internat.

Cita Chicago Style (17a ed.)

Ramos, Ligaya M. de. Frequency of Intercourse Among American Adolescents: Specification and Testing of a Model. Ann Arbor, Mich: Univ. Microfilms Internat, 1984.

Cita MLA (8a ed.)

Ramos, Ligaya M. de. Frequency of Intercourse Among American Adolescents: Specification and Testing of a Model. Univ. Microfilms Internat, 1984.