APA (7th ed.) Citation

Schoyen, M. (1999). The schoyen collection: Checklist of manuscripts 1 - 2867 (15th ed.). Principio Press.

Chicago Style (17th ed.) Citation

Schoyen, Martin. The Schoyen Collection: Checklist of Manuscripts 1 - 2867. 15th ed. Oslo: Principio Press, 1999.

MLA (9th ed.) Citation

Schoyen, Martin. The Schoyen Collection: Checklist of Manuscripts 1 - 2867. 15th ed. Principio Press, 1999.