APA (7th ed.) Citation

Grillo, P. R. (1984). The old French crusade cycle. The old French crusade cycle.

Chicago Style (17th ed.) Citation

Grillo, Peter R. "The Old French Crusade Cycle." The Old French Crusade Cycle 1984.

MLA (8th ed.) Citation

Grillo, Peter R. "The Old French Crusade Cycle." The Old French Crusade Cycle, 1984.

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