Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.

APA Citation Edition Citation

Bird, J., Claridge, A., & Gilkes, O. (1993). Porta Pia. Excavations and survey in an area of suburban Rome, 1.

Chicago Citation Edition Citation

Bird, J., A. Claridge, und O. Gilkes. Porta Pia. Excavations and Survey in an Area of Suburban Rome, 1. 1993.

MLA Citation Edition Citation

Bird, J., et al. Porta Pia. Excavations and Survey in an Area of Suburban Rome, 1. 1993.