APA (7th ed.) Citation

Branson, C. C. (1948). Bibliographic index of Permian invertebrates. [publisher not identified].

Chicago Style (17th ed.) Citation

Branson, Carl C. Bibliographic Index of Permian Invertebrates. [New York]: [publisher not identified], 1948.

MLA (9th ed.) Citation

Branson, Carl C. Bibliographic Index of Permian Invertebrates. [publisher not identified], 1948.