Cita APA (7th ed.)

Gibbon, D., & Smart, T. (1979). New York State and Niagara Falls: A picture book to remember her by. Crescent Books.

Cita Chicago (17th ed.)

Gibbon, David, i Ted Smart. New York State and Niagara Falls: A Picture Book to Remember Her by. New York: Crescent Books, 1979.

Cita MLA (8th ed.)

Gibbon, David, i Ted Smart. New York State and Niagara Falls: A Picture Book to Remember Her by. Crescent Books, 1979.