APA (7th ed.) Citation

Allen, W. E. (1971). Transatlantic crossing: American visitors to Britain and British visitors to America in the nineteenth century. Morrow.

Chicago Style (17th ed.) Citation

Allen, Walter Ernest. Transatlantic Crossing: American Visitors to Britain and British Visitors to America in the Nineteenth Century. New York: Morrow, 1971.

MLA (9th ed.) Citation

Allen, Walter Ernest. Transatlantic Crossing: American Visitors to Britain and British Visitors to America in the Nineteenth Century. Morrow, 1971.