Cita APA (7a ed.)

McCulloch, P. (2011). How to improve surgical research.

Cita Chicago Style (17a ed.)

McCulloch, P. How to Improve Surgical Research. 2011.

Cita MLA (9a ed.)

McCulloch, P. How to Improve Surgical Research. 2011.

Precaución: Estas citas no son 100% exactas.