APA (7th ed.) Citation

Verstappen, F. (1991). Augustinus' oudste portret. Augustinusdag, 19-34.

Chicago Style (17th ed.) Citation

Verstappen, Fred. "Augustinus' Oudste Portret." Augustinusdag 1991: 19-34.

MLA (9th ed.) Citation

Verstappen, Fred. "Augustinus' Oudste Portret." Augustinusdag, 1991, pp. 19-34.

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