APA (7th ed.) Citation

Wright, L. M. (1948). A handbook of Paleozoic Ostracoda. Private pub..

Chicago Style (17th ed.) Citation

Wright, Leo M. A Handbook of Paleozoic Ostracoda. [Tulsa?]: Private pub., 1948.

MLA (9th ed.) Citation

Wright, Leo M. A Handbook of Paleozoic Ostracoda. Private pub., 1948.