APA (7th ed.) Citation

Legendre, L., & Legendre, P. (1983). Numerical ecology. Elsevier.

Chicago Style (17th ed.) Citation

Legendre, Louis, and Pierre Legendre. Numerical Ecology. Amsterdam u.a: Elsevier, 1983.

MLA (9th ed.) Citation

Legendre, Louis, and Pierre Legendre. Numerical Ecology. Elsevier, 1983.

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