APA (7th ed.) Citation

Runkle, B. (1901). The helmet of Navarre / by B. Runkle. Macmillan.

Chicago Style (17th ed.) Citation

Runkle, B. The Helmet of Navarre / by B. Runkle. Macmillan, 1901.

MLA (9th ed.) Citation

Runkle, B. The Helmet of Navarre / by B. Runkle. Macmillan, 1901.

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