APA (7th ed.) Citation

Yochelson, E. L., & Dutro, J. T. (1960). Late Paleozoic gastropoda from northern Alaska. U.S. G.P.O..

Chicago Style (17th ed.) Citation

Yochelson, Ellis L., and J. Thomas Dutro. Late Paleozoic Gastropoda from Northern Alaska. Washington: U.S. G.P.O., 1960.

MLA (9th ed.) Citation

Yochelson, Ellis L., and J. Thomas Dutro. Late Paleozoic Gastropoda from Northern Alaska. U.S. G.P.O., 1960.