APA (7th ed.) Citation

Yochelson, E. L., & Saunders, B. W. (1967). A bibliographic index of North American late Paleozoic Hyolitha, Amphineura, Scaphopoda, and Gastropoda: An objective paleontologic compilation through 1966 extended from and including references in a similar index by Stuart Weller, 1898. United States Department of the Interior, Geological Survey.

Chicago Style (17th ed.) Citation

Yochelson, Ellis L., and Burnett W. Saunders. A Bibliographic Index of North American Late Paleozoic Hyolitha, Amphineura, Scaphopoda, and Gastropoda: An Objective Paleontologic Compilation Through 1966 Extended from and Including References in a Similar Index by Stuart Weller, 1898. [Washington, D.C.]: United States Department of the Interior, Geological Survey, 1967.

MLA (9th ed.) Citation

Yochelson, Ellis L., and Burnett W. Saunders. A Bibliographic Index of North American Late Paleozoic Hyolitha, Amphineura, Scaphopoda, and Gastropoda: An Objective Paleontologic Compilation Through 1966 Extended from and Including References in a Similar Index by Stuart Weller, 1898. United States Department of the Interior, Geological Survey, 1967.