APA (7th ed.) Citation

SpringerLink (Online service), Nicolai, P., & Maroldi, R. Imaging in treatment planning for sinonasal diseases.

Chicago Style (17th ed.) Citation

SpringerLink (Online service), Piero Nicolai, and Roberto Maroldi. Imaging in Treatment Planning for Sinonasal Diseases.

MLA (8th ed.) Citation

SpringerLink (Online service), et al. Imaging in Treatment Planning for Sinonasal Diseases.