Παραπομπή σε μορφή APA (7η εκδ.)

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

Παραπομπή σε μορφή Chicago (17η εκδ.)

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

Παραπομπή σε μορφή MLA (8th εκδ.)

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