APA (7th ed.) Citation

Holt, E. (1967). The Carlist wars in Spain. Dufour Editions.

Chicago Style (17th ed.) Citation

Holt, Edgar. The Carlist Wars in Spain. Chester Springs, Pa: Dufour Editions, 1967.

MLA (9th ed.) Citation

Holt, Edgar. The Carlist Wars in Spain. Dufour Editions, 1967.