APA (7th ed.) Citation

(1923). Seventy years of life and labor. An autobiography. London.

Chicago Style (17th ed.) Citation

Seventy Years of Life and Labor. An Autobiography. London, 1923.

MLA (8th ed.) Citation

Seventy Years of Life and Labor. An Autobiography. London, 1923.

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