Cita APA (7th ed.)
Metzner, R., & Adamson, S. (1992). Ecstasy. Stampa alternativa.
Cita Chicago (17th ed.)
Metzner, Ralph, i Sophia Adamson. Ecstasy. \Roma!: Stampa alternativa, 1992.
Cita MLA (9th ed.)
Metzner, Ralph, i Sophia Adamson. Ecstasy. Stampa alternativa, 1992.
Atenció: Aquestes cites poden no estar 100% correctes.