Cita APA (7a ed.)

Long Ashton Symposium, Hewitt, E., & Cutting, C. (1979). Nitrogen assimilation of plants: Proceedings of a symposium held at Long Ashton Research Station, University of Bristol, 19-22 September 1977. Academic Press.

Cita Chicago Style (17a ed.)

Long Ashton Symposium, E.J Hewitt, y C.V Cutting. Nitrogen Assimilation of Plants: Proceedings of a Symposium Held at Long Ashton Research Station, University of Bristol, 19-22 September 1977. London [etc.]: Academic Press, 1979.

Cita MLA (9a ed.)

Long Ashton Symposium, et al. Nitrogen Assimilation of Plants: Proceedings of a Symposium Held at Long Ashton Research Station, University of Bristol, 19-22 September 1977. Academic Press, 1979.