APA (7e ed.) Bronvermelding

Pigott, A. (1960). Freedom's foe, the Vatican: A collection of danger-signals for those who value peace and liberty (3rd ed.). Pioneer Press.

Chicago (17e ed.) Bronvermelding

Pigott, Adrian. Freedom's Foe, the Vatican: A Collection of Danger-signals for Those Who Value Peace and Liberty. 3rd ed. London [England]: Pioneer Press, 1960.

MLA (8e ed.) Bronvermelding

Pigott, Adrian. Freedom's Foe, the Vatican: A Collection of Danger-signals for Those Who Value Peace and Liberty. 3rd ed. Pioneer Press, 1960.