Cita APA (7a ed.)

Nicoletti, D., Ghini, A., & Burton, G. A simple preparation ofan 18-oxygenated pregnane.

Cita Chicago Style (17a ed.)

Nicoletti, D., A.A Ghini, y G. Burton. A Simple Preparation Ofan 18-oxygenated Pregnane.

Cita MLA (8a ed.)

Nicoletti, D., et al. A Simple Preparation Ofan 18-oxygenated Pregnane.