APA (7th ed.) Citation

Central Bureau of Engraving (New York, N.Y.). (1898). Our heroes of the Spanish-American War (2nd series.). Central Bureau of Engraving.

Chicago Style (17th ed.) Citation

Central Bureau of Engraving (New York, N.Y.). Our Heroes of the Spanish-American War. 2nd series. New York: Central Bureau of Engraving, 1898.

MLA (9th ed.) Citation

Central Bureau of Engraving (New York, N.Y.). Our Heroes of the Spanish-American War. 2nd series. Central Bureau of Engraving, 1898.