APA (7th ed.) Citation

Humbert de Romans -1277. (1619). Speculum religiosorum.

Chicago Style (17th ed.) Citation

Humbert de Romans -1277. Speculum Religiosorum. Colonia, 1619.

MLA (9th ed.) Citation

Humbert de Romans -1277. Speculum Religiosorum. 1619.

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