Cita APA (7th ed.)
Ashby, H., Towne, R., Beatty, W., Kovács, L., Sylbert, A., Jones, R. C., . . . Rich, F. Shampoo.
Cita Chicago (17th ed.)
Ashby, Hal, et al. Shampoo.
Cita MLA (9th ed.)
Ashby, Hal, et al. Shampoo.
Atenció: Aquestes cites poden no estar 100% correctes.