APA (7th ed.) Citation

Boëthius, A. (1978). Etruscan and early roman architecture. Penguin Books.

Chicago Style (17th ed.) Citation

Boëthius, Axel. Etruscan and Early Roman Architecture. Harmondsworth, England, United Kingdom: Penguin Books, 1978.

MLA (9th ed.) Citation

Boëthius, Axel. Etruscan and Early Roman Architecture. Penguin Books, 1978.