APA (7e ed.) Bronvermelding

Habel, D. M. (1981). Piazza S.Ignazio, Rome, in the 17th and 18th Centuries. architectura.

Chicago (17e ed.) Bronvermelding

Habel, Dorothy Metzger. "Piazza S.Ignazio, Rome, in the 17th and 18th Centuries." Architectura 1981.

MLA (8e ed.) Bronvermelding

Habel, Dorothy Metzger. "Piazza S.Ignazio, Rome, in the 17th and 18th Centuries." Architectura, 1981.

Let op: Deze citaties zijn niet altijd 100% accuraat.