APA (7th ed.) Citation

Haley, G. W. B., & Haley, A. Autograph letter signed: Dear Mr and Mrs Obermayer.

Chicago Style (17th ed.) Citation

Haley, George Williford Boyce, and Alex Haley. Autograph Letter Signed: Dear Mr and Mrs Obermayer.

MLA (9th ed.) Citation

Haley, George Williford Boyce, and Alex Haley. Autograph Letter Signed: Dear Mr and Mrs Obermayer.

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