APA引文

Longo, R., & Johns, J. (2018). The first Norman cathedral in Palermo. Robert Guiscard's Church of the Most Holy Mother of God. Brepols.

Chicago Style (17th ed.) Citation

Longo, R., and J. Johns. The First Norman Cathedral in Palermo. Robert Guiscard's Church of the Most Holy Mother of God. Brepols, 2018.

MLA引文

Longo, R., and J. Johns. The First Norman Cathedral in Palermo. Robert Guiscard's Church of the Most Holy Mother of God. Brepols, 2018.

警告：這些引文格式不一定是100％准確.