Franklin

MLA

Pickett, Steward T., Jurek Kolasa, and Clive G Jones. Ecological Understanding : the Nature of Theory and the Theory of Nature. 2nd ed. Amsterdam: Elsevier/Academic Press, 2007.

APA

Pickett, S. T., Kolasa, J., & Jones, C. G. (2007). Ecological understanding : the nature of theory and the theory of nature. 2nd ed. Amsterdam: Elsevier/Academic Press.

Chicago

Pickett, Steward T., Jurek Kolasa, and Clive G Jones. Ecological Understanding: The Nature of Theory and the Theory of Nature. 2nd ed. Amsterdam: Elsevier/Academic Press, 2007.