APA (7th ed.) Citation

Charles Knaud's Keris: The Oldest Dated Keris In The World. (P.B.).

Chicago Style (17th ed.) Citation

Charles Knaud's Keris: The Oldest Dated Keris In The World. (P.B.).

MLA (9th ed.) Citation

Charles Knaud's Keris: The Oldest Dated Keris In The World. (P.B.).

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