APA (7th ed.) Citation

Nicolle, P. (1954). A book of armour. Penguin Books.

Chicago Style (17th ed.) Citation

Nicolle, Patrick. A Book of Armour. Harmondsworth: Penguin Books, 1954.

MLA (9th ed.) Citation

Nicolle, Patrick. A Book of Armour. Penguin Books, 1954.

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