Cita APA

Hughes, N. C. (1994). Ontogeny, intraspecific variation, and systematic of the Late Cambrian Trilobite Dikelocephalus. [S.l.]: Washington : Smithsonian Institution Press.

Citación estilo Chicago

Hughes, Nigel C. Ontogeny, Intraspecific Variation, and Systematic of the Late Cambrian Trilobite Dikelocephalus. [S.l.]: Washington : Smithsonian Institution Press, 1994.

Cita MLA

Hughes, Nigel C. Ontogeny, Intraspecific Variation, and Systematic of the Late Cambrian Trilobite Dikelocephalus. [S.l.]: Washington : Smithsonian Institution Press, 1994.