Cita APA

Curtis, H. A., Tripp, J. H., Lawrence, C., & Clarke, W. L. (1988). Teenage relationships and sex education.

Citación estilo Chicago

Curtis, H A., J H. Tripp, C. Lawrence, y W L. Clarke. Teenage Relationships and Sex Education. 1988.

Cita MLA

Curtis, H A., J H. Tripp, C. Lawrence, y W L. Clarke. Teenage Relationships and Sex Education. 1988.