APA Citation

Penn, A. A. 1., & Trinkaus, G. J. 1. Smilin' through.

Chicago Style Citation

Penn, Arthur A. 1880-1941, and George John 1878-1960 Trinkaus. Smilin' Through.

MLA Citation

Penn, Arthur A. 1880-1941, and George John 1878-1960 Trinkaus. Smilin' Through.

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