APA (7th ed.) Citation

Roberts, W. (1893). Printers' marks: A chapter in the history of typography. George Bell & Sons.

Chicago Style (17th ed.) Citation

Roberts, W. Printers' Marks: A Chapter in the History of Typography. London ; New York: George Bell & Sons, 1893.

MLA (9th ed.) Citation

Roberts, W. Printers' Marks: A Chapter in the History of Typography. George Bell & Sons, 1893.