APA (7th ed.) Citation

Egerton, F. N. (2012). Roots of ecology: Antiquity to Haeckel. University of California Press.

Chicago Style (17th ed.) Citation

Egerton, Frank N. Roots of Ecology: Antiquity to Haeckel. Berkeley: University of California Press, 2012.

MLA (9th ed.) Citation

Egerton, Frank N. Roots of Ecology: Antiquity to Haeckel. University of California Press, 2012.