Grossman, A. (1985). Endorphins: "opiates for the masses".
Cita Chicago (17th ed.)Grossman, A. Endorphins: "Opiates for the Masses". 1985.
Cita MLA (9th ed.)Grossman, A. Endorphins: "Opiates for the Masses". 1985.
Atenció: Aquestes cites poden no estar 100% correctes.