APA (7th ed.) Citation

Iglesia Católica, Clemente X , P., & Gregorio XIII , P. (1723). Martyrologium romanum. Ex Typographia plantiniana.

Chicago Style (17th ed.) Citation

Iglesia Católica, Papa Clemente X , and Papa Gregorio XIII. Martyrologium Romanum. Antuerpiae: Ex Typographia plantiniana, 1723.

MLA (9th ed.) Citation

Iglesia Católica, et al. Martyrologium Romanum. Ex Typographia plantiniana, 1723.

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