ENCYCLOPEDIA, DANCE, S. P., & CAMERON, I. (1977). The Encyclopedia of Shells (2 ed.). Blandford Press.
Cita Chicago Style (17a ed.)ENCYCLOPEDIA, S. Peter DANCE, y Ian CAMERON. The Encyclopedia of Shells. 2 ed. Poole, Dorset: Blandford Press, 1977.
Cita MLA (9a ed.)ENCYCLOPEDIA, et al. The Encyclopedia of Shells. 2 ed. Blandford Press, 1977.
Precaución: Estas citas no son 100% exactas.