APA (7th ed.) Citation

Egger, H. (1950). Quadriporticus Sancti Petri in Vaticano.

Chicago Style (17th ed.) Citation

Egger, Hermann. Quadriporticus Sancti Petri in Vaticano. 1950.

MLA (9th ed.) Citation

Egger, Hermann. Quadriporticus Sancti Petri in Vaticano. 1950.

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