APA (7th ed.) Citation

Roscher, W., Bourne, E. G., & Baldwin, E. H. (1904). The Spanish colonial system. H. Holt and company.

Chicago Style (17th ed.) Citation

Roscher, Wilhelm, Edward Gaylord Bourne, and Ernest Hickok Baldwin. The Spanish Colonial System. New York: H. Holt and company, 1904.

MLA (9th ed.) Citation

Roscher, Wilhelm, et al. The Spanish Colonial System. H. Holt and company, 1904.