APA (7th ed.) Citation

Maturana, H. R., Varela, F. J., Paolucci, R., & Young, J. Z. (1998). The tree of knowledge: The biological roots of human understanding. Shambhala.

Chicago Style (17th ed.) Citation

Maturana, Humberto R., Francisco J. Varela, Robert Paolucci, and J. Z. Young. The Tree of Knowledge: The Biological Roots of Human Understanding. Boston: Shambhala, 1998.

MLA (8th ed.) Citation

Maturana, Humberto R., et al. The Tree of Knowledge: The Biological Roots of Human Understanding. Shambhala, 1998.