APA Citation

Gratz, S. (1920). A book about autographs. Philadelphia [Pa.]: William J. Campbell.

Chicago Style Citation

Gratz, Simon. A Book About Autographs. Philadelphia [Pa.]: William J. Campbell, 1920.

MLA Citation

Gratz, Simon. A Book About Autographs. Philadelphia [Pa.]: William J. Campbell, 1920.

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