APA (7th ed.) Citation

Joos, U., Markus, A. F., & Schuon, R. Functional cleft palate surgery. Elsevier.

Chicago Style (17th ed.) Citation

Joos, Ulrich, Anthony F. Markus, and Robert Schuon. Functional Cleft Palate Surgery. Elsevier.

MLA (9th ed.) Citation

Joos, Ulrich, et al. Functional Cleft Palate Surgery. Elsevier.