APA (7th ed.) Citation

KILFORD, W. Elementary Air Survey#WK.Kilford. Sir Isaac Pitman.

Chicago Style (17th ed.) Citation

KILFORD, WK. Elementary Air Survey#WK.Kilford. Sir Isaac Pitman.

MLA (8th ed.) Citation

KILFORD, WK. Elementary Air Survey#WK.Kilford. Sir Isaac Pitman.

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