APA (7th ed.) Citation

Hebblethwaite, P. (1993). Paul VI. The First Modern Pope. Harper Collins.

Chicago Style (17th ed.) Citation

Hebblethwaite, Peter. Paul VI. The First Modern Pope. [London]: Harper Collins, 1993.

MLA (9th ed.) Citation

Hebblethwaite, Peter. Paul VI. The First Modern Pope. Harper Collins, 1993.

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