Cita APA (7th ed.)

Luhmann, N. (1998). Love as passion: The codification of intimacy. Stanford University Press.

Cita Chicago (17th ed.)

Luhmann, Niklas. Love as Passion: The Codification of Intimacy. Stanford, Calif: Stanford University Press, 1998.

Cita MLA (9th ed.)

Luhmann, Niklas. Love as Passion: The Codification of Intimacy. Stanford University Press, 1998.