APA (7th ed.) Citation

Holmes, P., Bogacz, R., Cohen, J., & Gold, J. (2005). Letter to the editor.

Chicago Style (17th ed.) Citation

Holmes, P., R. Bogacz, J. Cohen, and J. Gold. Letter to the Editor. 2005.

MLA (9th ed.) Citation

Holmes, P., et al. Letter to the Editor. 2005.