APA (7th ed.) Citation

Knowles, G. W. (1939). Friends: Some Quaker peace documents, 1654-1920. Peace Book Company.

Chicago Style (17th ed.) Citation

Knowles, George William. Friends: Some Quaker Peace Documents, 1654-1920. London: Peace Book Company, 1939.

MLA (8th ed.) Citation

Knowles, George William. Friends: Some Quaker Peace Documents, 1654-1920. Peace Book Company, 1939.

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