APA (7th ed.) Citation

Flick, L. F. (1920). History as a Science. Annual Address of the President of the American Catholic Historical Association. Washington, D.C..

Chicago Style (17th ed.) Citation

Flick, Lawrence F. History as a Science. Annual Address of the President of the American Catholic Historical Association. Washington, D.C., 1920.

MLA (8th ed.) Citation

Flick, Lawrence F. History as a Science. Annual Address of the President of the American Catholic Historical Association. Washington, D.C., 1920.

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