APA (7th ed.) Citation

Roelans, C., & Veldenar, J. Libellus aegritudinum infantium.

Chicago Style (17th ed.) Citation

Roelans, Cornelis, and Jan Veldenar. Libellus Aegritudinum Infantium.

MLA (9th ed.) Citation

Roelans, Cornelis, and Jan Veldenar. Libellus Aegritudinum Infantium.

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