APA (7th ed.) Citation

Pattee, H. H. (1973). Hierarchy theory: The challenge of complex systems. G. Braziller.

Chicago Style (17th ed.) Citation

Pattee, H. H. Hierarchy Theory: The Challenge of Complex Systems. New York: G. Braziller, 1973.

MLA (9th ed.) Citation

Pattee, H. H. Hierarchy Theory: The Challenge of Complex Systems. G. Braziller, 1973.