APA (7th ed.) Citation

Muir, J. (1992). A Thousand-Mile Walk To The Gulf. Penguin Group.

Chicago Style (17th ed.) Citation

Muir, John. A Thousand-Mile Walk To The Gulf. New Yor: Penguin Group, 1992.

MLA (9th ed.) Citation

Muir, John. A Thousand-Mile Walk To The Gulf. Penguin Group, 1992.