Cita APA (7th ed.)

Luhmann, N. (1986). Love as passion: The codification of intimacy. Harvard University Press.

Cita Chicago (17th ed.)

Luhmann, Niklas. Love as Passion: The Codification of Intimacy. Cambridge, Mass: Harvard University Press, 1986.

Cita MLA (9th ed.)

Luhmann, Niklas. Love as Passion: The Codification of Intimacy. Harvard University Press, 1986.