APA (7th ed.) Citation

Dalrymple, R., & Dalrymple, R. D. (1996). The pious formulae of the Middle English romances.

Chicago Style (17th ed.) Citation

Dalrymple, R., and Roger David Dalrymple. The Pious Formulae of the Middle English Romances. 1996.

MLA (9th ed.) Citation

Dalrymple, R., and Roger David Dalrymple. The Pious Formulae of the Middle English Romances. 1996.

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