APA (7th ed.) Citation

Biller, P. (2000). Oldcastle, Sir John (c. 1378-1417).

Chicago Style (17th ed.) Citation

Biller, Peter. Oldcastle, Sir John (c. 1378-1417). 2000.

MLA (9th ed.) Citation

Biller, Peter. Oldcastle, Sir John (c. 1378-1417). 2000.

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