APA (7th ed.) Citation

Graf, G. N. (1987). Portugal roman. Zodiaque.

Chicago Style (17th ed.) Citation

Graf, Gerhard N. Portugal Roman. [Paris]: Zodiaque, 1987.

MLA (9th ed.) Citation

Graf, Gerhard N. Portugal Roman. Zodiaque, 1987.

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