Cita APA (7a ed.)

Webb, P. H., Mattingly, H., & Sydenham, E. A. (2001). The Roman imperial coinage: 5,1 Valerian I-Florian. Spink & son.

Cita Chicago Style (17a ed.)

Webb, Percy H., Harold Mattingly, y Edward Allen Sydenham. The Roman Imperial Coinage: 5,1 Valerian I-Florian. London: Spink & son, 2001.

Cita MLA (9a ed.)

Webb, Percy H., et al. The Roman Imperial Coinage: 5,1 Valerian I-Florian. Spink & son, 2001.