APA (7th ed.) Citation

Tsang, R. S., Jamieson, F. B., Gilca, R., & Lefebvre, B. Letter to the Editor. Wiley.

Chicago Style (17th ed.) Citation

Tsang, Raymond SW, Frances B. Jamieson, Rodica Gilca, and Brigitte Lefebvre. Letter to the Editor. Wiley.

MLA (9th ed.) Citation

Tsang, Raymond SW, et al. Letter to the Editor. Wiley.