APA (7th ed.) Citation

Proctor, R. (1900). The printing of Greek in the fifteenth century. Bibliogr. Soc.

Chicago Style (17th ed.) Citation

Proctor, Robert. The Printing of Greek in the Fifteenth Century. [London]: Bibliogr. Soc, 1900.

MLA (9th ed.) Citation

Proctor, Robert. The Printing of Greek in the Fifteenth Century. Bibliogr. Soc, 1900.