Cita APA (7th ed.)

Keller, H. (2020). The story of my life (1.). Ocean Books pvt. Ltd.

Cita Chicago (17th ed.)

Keller, Helen. The Story of My Life. 1. New Delhi: Ocean Books pvt. Ltd, 2020.

Cita MLA (9th ed.)

Keller, Helen. The Story of My Life. 1. Ocean Books pvt. Ltd, 2020.