APA (7th ed.) Citation

(1931). Autograph leters and historical documents. Maggs Bross.

Chicago Style (17th ed.) Citation

Autograph Leters and Historical Documents. London: Maggs Bross, 1931.

MLA (9th ed.) Citation

Autograph Leters and Historical Documents. Maggs Bross, 1931.

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