APA način citiranja (7. izdanje)

Exler, F. X. J. (1923). The form of the ancient Greek letter: A study in Greek epistolography. Catholic University of America.

Čikaški stil citiranja (17. izdanje)

Exler, Francis Xavier J. The Form of the Ancient Greek Letter: A Study in Greek Epistolography. Washington, D.C.: Catholic University of America, 1923.

MLA način citiranja (8. izdanje)

Exler, Francis Xavier J. The Form of the Ancient Greek Letter: A Study in Greek Epistolography. Catholic University of America, 1923.