APA (7th ed.) Citation

Alanus, d. I., & Sheridan, J. J. (1980). The plaint of nature. Pontifical Institute of Mediaeval Studies.

Chicago Style (17th ed.) Citation

Alanus, de Insulis, and James J. Sheridan. The Plaint of Nature. Toronto: Pontifical Institute of Mediaeval Studies, 1980.

MLA (9th ed.) Citation

Alanus, de Insulis, and James J. Sheridan. The Plaint of Nature. Pontifical Institute of Mediaeval Studies, 1980.