Cita APA

Maclean, J. T. (1983). Nitrogen fixation in soybeans (revision) 1979-1983: 188 citations. National Agricultural Library, Reference Section.

Citación estilo Chicago

Maclean, Jayne T. Nitrogen Fixation in Soybeans (revision) 1979-1983: 188 Citations. Beltsville, Md: National Agricultural Library, Reference Section, 1983.

Cita MLA

Maclean, Jayne T. Nitrogen Fixation in Soybeans (revision) 1979-1983: 188 Citations. Beltsville, Md: National Agricultural Library, Reference Section, 1983.