APA (7th ed.) Citation

Horner, J. R., & Lessem, D. (1993). The complet T. rex. Souvenir Press.

Chicago Style (17th ed.) Citation

Horner, John R., and Don Lessem. The Complet T. Rex. London: Souvenir Press, 1993.

MLA (8th ed.) Citation

Horner, John R., and Don Lessem. The Complet T. Rex. Souvenir Press, 1993.