The Thalattosauria :
a group of marine reptiles from the Triassic of California /
by John C. Merriam.

APA Citation

Merriam, J. C. (John Campbell). (1905). The Thalattosauria: a group of marine reptiles from the Triassic of California. San Francisco: The Academy.

MLA Citation

Merriam, John C. (John Campbell), 1869-1945. The Thalattosauria: a Group of Marine Reptiles From the Triassic of California. San Francisco: The Academy, 1905.

Warning: These citations may not always be complete (especially for serials).