APA (7th ed.) Citation

Belardo, M. (1939). De iuribus S.R.E. cardenalium in titulis. Typis Polyglottis Vaticanis.

Chicago Style (17th ed.) Citation

Belardo, Marius. De Iuribus S.R.E. Cardenalium in Titulis. [Roma?]: Typis Polyglottis Vaticanis, 1939.

MLA (9th ed.) Citation

Belardo, Marius. De Iuribus S.R.E. Cardenalium in Titulis. Typis Polyglottis Vaticanis, 1939.

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