APA Edition Citation

Beek D P, M. L. A. (1988). Nitrogen fixation by legumes in mediteranean agriculture. Martinus nijhoff publishers.

Chicago Edition Citation

Beek D P, Materon L A. Nitrogen Fixation by Legumes in Mediteranean Agriculture. Dordreeht: Martinus nijhoff publishers, 1988.

MLA Edition Citation

Beek D P, Materon L A. Nitrogen Fixation by Legumes in Mediteranean Agriculture. Martinus nijhoff publishers, 1988.

Warning: These citations may not always be 100% accurate.