APA (7th ed.) Citation

O'Sullivan, P. (1973). All about the angels (6a. ed.). Corpo Santo.

Chicago Style (17th ed.) Citation

O'Sullivan, Paul. All About the Angels. 6a. ed. Lisboa: Corpo Santo, 1973.

MLA (9th ed.) Citation

O'Sullivan, Paul. All About the Angels. 6a. ed. Corpo Santo, 1973.