APA (7th ed.) Citation

Fox-Davies, A. C., Díaz-Guerra, E., & Brooke-Little, J. P. B. (1991). Diseños de heráldica. Libsa.

Chicago Style (17th ed.) Citation

Fox-Davies, Arthur Charles, Eduardo Díaz-Guerra, and John P. B. Brooke-Little. Diseños De Heráldica. Madrid: Libsa, 1991.

MLA (9th ed.) Citation

Fox-Davies, Arthur Charles, et al. Diseños De Heráldica. Libsa, 1991.