Cita APA (7a ed.)

Levy, S. (1993). Artificial life: The quest for a new creation. Penguin Books.

Cita Chicago Style (17a ed.)

Levy, Steven. Artificial Life: The Quest for a New Creation. London [etc.]: Penguin Books, 1993.

Cita MLA (9a ed.)

Levy, Steven. Artificial Life: The Quest for a New Creation. Penguin Books, 1993.