Cita APA (7th ed.)
Wohlbier, F. H. (2013). The tree of nature: The essence of nature is information & communication. Trans Tech Publications.
Cita Chicago (17th ed.)
Wohlbier, Fred H. The Tree of Nature: The Essence of Nature Is Information & Communication. Switzerland: Trans Tech Publications, 2013.
Cita MLA (9th ed.)
Wohlbier, Fred H. The Tree of Nature: The Essence of Nature Is Information & Communication. Trans Tech Publications, 2013.
Atenció: Aquestes cites poden no estar 100% correctes.