APA (7th ed.) Citation

Merlo, P., Xella, P., & Watson, W. (1999). The Rituals.

Chicago Style (17th ed.) Citation

Merlo, Paolo, Paolo Xella, and W.G.E Watson. The Rituals. 1999.

MLA (8th ed.) Citation

Merlo, Paolo, et al. The Rituals. 1999.