Παραπομπή σε μορφή APA (7η εκδ.)

Pickett, S. T., Kolasa, J., & Jones, C. G. (1994). Ecological understanding: The nature of theory and the theory of nature. Academic Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Pickett, Steward T., Jurek Kolasa, και Clive G. Jones. Ecological Understanding: The Nature of Theory and the Theory of Nature. San Diego: Academic Press, 1994.

Παραπομπή σε μορφή MLA (8th εκδ.)

Pickett, Steward T., et al. Ecological Understanding: The Nature of Theory and the Theory of Nature. Academic Press, 1994.