APA (7th ed.) Citation

Morningstar, H. (1922). The fauna of the Pottsville formation of Ohio below the Lower Mercer limestone. [publisher not identified].

Chicago Style (17th ed.) Citation

Morningstar, Helen. The Fauna of the Pottsville Formation of Ohio Below the Lower Mercer Limestone. [Place of publication not identified]: [publisher not identified], 1922.

MLA (9th ed.) Citation

Morningstar, Helen. The Fauna of the Pottsville Formation of Ohio Below the Lower Mercer Limestone. [publisher not identified], 1922.