APA (7th ed.) Citation

Usseglio, N., Andrés, J. L. d., Marchal, J. A., Moroni, L., & Nieto, D. Photochemical corneal cross-linking: Evaluating the potential of a hand-held biopen. Elsevier.

Chicago Style (17th ed.) Citation

Usseglio, Nadina, Julia López de Andrés, Juan Antonio Marchal, Lorenzo Moroni, and Daniel Nieto. Photochemical Corneal Cross-linking: Evaluating the Potential of a Hand-held Biopen. Elsevier.

MLA (9th ed.) Citation

Usseglio, Nadina, et al. Photochemical Corneal Cross-linking: Evaluating the Potential of a Hand-held Biopen. Elsevier.