APA Style

Polsinelli, M. (1991). Nitrogen Fixation: Proceedings of the Fifth International Symposium on Nitrogen Fixation with Non-legumes, Florence, Italy, 10-14 September 1990 . Boston: Kluwer Academic Pub.

MLA Style

Polsinelli, Mario. "Nitrogen Fixation: Proceedings of the Fifth International Symposium on Nitrogen Fixation with Non-legumes, Florence, Italy, 10-14 September 1990". Boston: Kluwer Academic Pub, 1991. .