APA (7th ed.) Citation

Borcard, D., Gillet, F., & Legendre, P. (2011). Numerical Ecology with R. Springer New York.

Chicago Style (17th ed.) Citation

Borcard, Daniel, Francois Gillet, and Pierre Legendre. Numerical Ecology with R. New York, NY: Springer New York, 2011.

MLA (8th ed.) Citation

Borcard, Daniel, et al. Numerical Ecology with R. Springer New York, 2011.