APA (7th ed.) Citation

Spence, L. (1949). The history and origins of druidism. Rider.

Chicago Style (17th ed.) Citation

Spence, Lewis. The History and Origins of Druidism. New Haven [u.a.]: Rider, 1949.

MLA (8th ed.) Citation

Spence, Lewis. The History and Origins of Druidism. Rider, 1949.