APA (7th ed.) Citation

Aris, R. (1990). Explicatio formarum litterarum: From the first century to the fifteenth = The unfolding of letterforms. Calligraphy Connection.

Chicago Style (17th ed.) Citation

Aris, Rutherford. Explicatio Formarum Litterarum: From the First Century to the Fifteenth = The Unfolding of Letterforms. St. Paul, MN: Calligraphy Connection, 1990.

MLA (9th ed.) Citation

Aris, Rutherford. Explicatio Formarum Litterarum: From the First Century to the Fifteenth = The Unfolding of Letterforms. Calligraphy Connection, 1990.

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