MLA

Osler, William, and Victor Scholderer. Incunabula Medica: a Study of the Earliest Printed Medical Books, 1467-1480. [Oxford]: Printed for the Bibliographical society at the Oxford university press, 1923.

APA

Osler, W., & Scholderer, V. (1923). Incunabula medica: a study of the earliest printed medical books, 1467-1480. [Oxford]: Printed for the Bibliographical society at the Oxford university press.

Chicago

Osler, William, and Victor Scholderer. Incunabula Medica: A Study of the Earliest Printed Medical Books, 1467-1480. [Oxford]: Printed for the Bibliographical society at the Oxford university press, 1923.