APA (7th ed.) Citation

Lewis, A. (1942). Autograph letter signed: Dear Mr Rogers.

Chicago Style (17th ed.) Citation

Lewis, Alun. Autograph Letter Signed: Dear Mr Rogers. 1942.

MLA (9th ed.) Citation

Lewis, Alun. Autograph Letter Signed: Dear Mr Rogers. 1942.

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