APA (7th ed.) Citation

O'Keeffe, M., Nolan, D., O'Sullivan, P., Dankaerts, W., Fersum, K., O'Sullivan, K., & Ther, M. (2014). Letters: To the editor. Lippincott Williams and Wilkins.

Chicago Style (17th ed.) Citation

O'Keeffe, M., D. Nolan, Peter O'Sullivan, W. Dankaerts, K. Fersum, K. O'Sullivan, and M. Ther. Letters: To the Editor. Lippincott Williams and Wilkins, 2014.

MLA (9th ed.) Citation

O'Keeffe, M., et al. Letters: To the Editor. Lippincott Williams and Wilkins, 2014.