Cita APA (7th ed.)
Zwettler-Otte, S., Bolognini, S., & Gross, R. (2013). The sphinx and the riddles of passion, love and sexuality. PL Academic Researcch.
Cita Chicago (17th ed.)
Zwettler-Otte, Sylvia, Stefano Bolognini, i R. Gross. The Sphinx and the Riddles of Passion, Love and Sexuality. Frankfurt am main, [Germany]: PL Academic Researcch, 2013.
Cita MLA (9th ed.)
Zwettler-Otte, Sylvia, et al. The Sphinx and the Riddles of Passion, Love and Sexuality. PL Academic Researcch, 2013.
Atenció: Aquestes cites poden no estar 100% correctes.