APA (7th ed.) Citation

Dunkle, D. H., & Bungart, P. A. (1942). A new genus and species of Arthrodira from the Cleveland shale. [publisher not identified].

Chicago Style (17th ed.) Citation

Dunkle, David Hosbrook, and Peter Anthony Bungart. A New Genus and Species of Arthrodira from the Cleveland Shale. [Cleveland, Ohio]: [publisher not identified], 1942.

MLA (9th ed.) Citation

Dunkle, David Hosbrook, and Peter Anthony Bungart. A New Genus and Species of Arthrodira from the Cleveland Shale. [publisher not identified], 1942.