APA (7th ed.) Citation

Gregory, J. C. (1999). The nature of laughter (Repr.). Routledge.

Chicago Style (17th ed.) Citation

Gregory, Joshua C. The Nature of Laughter. Repr. London: Routledge, 1999.

MLA (9th ed.) Citation

Gregory, Joshua C. The Nature of Laughter. Repr. Routledge, 1999.