APA (7th ed.) Citation

Pack, R. A. (1986). A note on De regulis generalibus.

Chicago Style (17th ed.) Citation

Pack, Roger A. A Note on De Regulis Generalibus. 1986.

MLA (9th ed.) Citation

Pack, Roger A. A Note on De Regulis Generalibus. 1986.

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