APA (7th ed.) Citation

Williams, E., & Cowen, P. J. (2025). No Laughing Matter: Nitrous Oxide and Depression. Elsevier.

Chicago Style (17th ed.) Citation

Williams, Ella, and Philip J. Cowen. No Laughing Matter: Nitrous Oxide and Depression. Elsevier, 2025.

MLA (9th ed.) Citation

Williams, Ella, and Philip J. Cowen. No Laughing Matter: Nitrous Oxide and Depression. Elsevier, 2025.

Warning: These citations may not always be 100% accurate.