Cita APA (7a ed.)
Thomas, R. J. (1994). Nitrogen recycling and fixation. International Center for Tropical Agriculture.
Cita Chicago Style (17a ed.)
Thomas, Richard J. Nitrogen Recycling and Fixation. International Center for Tropical Agriculture, 1994.
Cita MLA (9a ed.)
Thomas, Richard J. Nitrogen Recycling and Fixation. International Center for Tropical Agriculture, 1994.
Precaución: Estas citas no son 100% exactas.