APA (7th ed.) Citation

Tan, D. Urban Terrorism: St. Peter’s Square, Vatican City. TU Delft OPEN Publishing.

Chicago Style (17th ed.) Citation

Tan, Daniel. Urban Terrorism: St. Peter’s Square, Vatican City. TU Delft OPEN Publishing.

MLA (9th ed.) Citation

Tan, Daniel. Urban Terrorism: St. Peter’s Square, Vatican City. TU Delft OPEN Publishing.

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