Etruscan and early Roman architecture
MLA
Boëthius, Axel, et al. Etruscan and early Roman architecture. Second integrated edition, revised / by Roger Ling and Tom Rasmussen. Harmondsworth, Eng. ; New York : Penguin Books, 1978.
APA
Boëthius, A., Ling, R., Rasmussen, T. & Yarnall Collection (University of Pennsylvania). (1978). Etruscan and early Roman architecture. Second integrated edition, revised / by Roger Ling and Tom Rasmussen. Harmondsworth, Eng. ; New York : Penguin Books.
Chicago
Boëthius, Axel, Roger. Ling, Tom. Rasmussen and Yarnall Collection (University of Pennsylvania). Etruscan and early Roman architecture. Second integrated edition, revised / by Roger Ling and Tom Rasmussen. Harmondsworth, Eng. ; New York : Penguin Books, 1978.