APA (7th ed.) Citation

Calvert, A. F. Spanish Arms and Armour Being a Historical and Descriptive Account of the Royal Armoury of Madrid.

Chicago Style (17th ed.) Citation

Calvert, Albert Frederick. Spanish Arms and Armour Being a Historical and Descriptive Account of the Royal Armoury of Madrid.

MLA (9th ed.) Citation

Calvert, Albert Frederick. Spanish Arms and Armour Being a Historical and Descriptive Account of the Royal Armoury of Madrid.

Warning: These citations may not always be 100% accurate.