APA (7th ed.) Citation

Keller, H., & Pollak-Ottendorff, E. (1956). The story of my life. Houghton Mifflin.

Chicago Style (17th ed.) Citation

Keller, Helen, and Eleonore Pollak-Ottendorff. The Story of My Life. Boston: Houghton Mifflin, 1956.

MLA (9th ed.) Citation

Keller, Helen, and Eleonore Pollak-Ottendorff. The Story of My Life. Houghton Mifflin, 1956.

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