APA-viite

Abraham, J., & Sheppard, J. (1999). The therapeutic nightmare: The battle over the world's most controversial sleeping pill. London: Earthscan.

Chicago-tyylinen lähdeviittaus

Abraham, John, and Julie Sheppard. The Therapeutic Nightmare: The Battle Over the World's Most Controversial Sleeping Pill. London: Earthscan, 1999.

MLA-viite

Abraham, John, and Julie Sheppard. The Therapeutic Nightmare: The Battle Over the World's Most Controversial Sleeping Pill. London: Earthscan, 1999.

Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.