Cita APA (7th ed.)
Greene, R. (2018). The laws of human nature. Penguine books.
Cita Chicago (17th ed.)
Greene, Robert. The Laws of Human Nature. Mew york: Penguine books, 2018.
Cita MLA (9th ed.)
Greene, Robert. The Laws of Human Nature. Penguine books, 2018.
Atenció: Aquestes cites poden no estar 100% correctes.