Cita APA

Price, F. W. (1992). Penetrating keratoplasty for keratoconus.

Chicago Style Citation

Price, Francis W. Penetrating Keratoplasty for Keratoconus. 1992.

Cita MLA

Price, Francis W. Penetrating Keratoplasty for Keratoconus. 1992.

Atenció: Aquestes cites poden no estar 100% correctes.