APA (7th ed.) Citation

Fazel, S., Långström, N., & Lichtenstein, P. (2009). In reply.

Chicago Style (17th ed.) Citation

Fazel, S., N. Långström, and P. Lichtenstein. In Reply. 2009.

MLA (9th ed.) Citation

Fazel, S., et al. In Reply. 2009.

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