Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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