APA (7th ed.) Citation

Mayer, F. (1950). A history of ancient and medieval philosophy. American Book Co.

Chicago Style (17th ed.) Citation

Mayer, Frederick. A History of Ancient and Medieval Philosophy. American Book Co, 1950.

MLA (8th ed.) Citation

Mayer, Frederick. A History of Ancient and Medieval Philosophy. American Book Co, 1950.

Warning: These citations may not always be 100% accurate.