- Author: Humberto R. Maturana, Francisco J. Varela
- Language: English
- Year: 2023
- Author: Humberto R. Maturana Francisco G. Varela
- Language: Turkish
- Year: 2010
- Author: Humberto R. Maturana Francisco J. Varela
- Language: Portuguese
- Year: 2001
- Author: Humberto Maturana Romesín, Francisco J. Varela
- Language: Spanish
- Year: 2003
- Author: Humberto R. Maturana Francisco J. Varela (auth.)
- Language: English
- Year: 1980
- Author: Humberto R. Maturana, Francisco J. Varela, Francisco Varela G.
- Language: Spanish
- Year: 2008
- Author: Francisco J. Varela, Jonathan Shear
- Language: English
- Year: 1999
- Author: Francisco J. Varela Humberto R. Maturana, 菅啓次郎(訳) 浅田彰(序文)
- Language: Japanese
- Year: 1987
- Author: Francisco J. Varela
- Language: French
- Year: 1998