APA (7th ed.) Citation

Mill, J. S., & Carlyle, T. Autobiography, essay on liberty.

Chicago Style (17th ed.) Citation

Mill, John Stuart, and Thomas Carlyle. Autobiography, Essay on Liberty.

MLA (8th ed.) Citation

Mill, John Stuart, and Thomas Carlyle. Autobiography, Essay on Liberty.

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