Cita APA (7th ed.)
Green, J. (2017). Turtles all the way down. Penguin Books.
Cita Chicago (17th ed.)
Green, John. Turtles All the Way Down. London: Penguin Books, 2017.
Cita MLA (9th ed.)
Green, John. Turtles All the Way Down. Penguin Books, 2017.
Atenció: Aquestes cites poden no estar 100% correctes.