APA (7th ed.) Citation

Sumrall, C. D. (1991). Functional morphology in Late Paleozoic edrioasteroids and its taxonomic implications. [publisher not identified].

Chicago Style (17th ed.) Citation

Sumrall, Colin Doyle. Functional Morphology in Late Paleozoic Edrioasteroids and Its Taxonomic Implications. [Place of publication not identified]: [publisher not identified], 1991.

MLA (9th ed.) Citation

Sumrall, Colin Doyle. Functional Morphology in Late Paleozoic Edrioasteroids and Its Taxonomic Implications. [publisher not identified], 1991.