APA (7th ed.) Citation

SIECUS. (1986). Guía sexual moderna (2. ed.). Gedisa.

Chicago Style (17th ed.) Citation

SIECUS. Guía Sexual Moderna. 2. ed. Barcelona: Gedisa, 1986.

MLA (9th ed.) Citation

SIECUS. Guía Sexual Moderna. 2. ed. Gedisa, 1986.

Warning: These citations may not always be 100% accurate.