APA (7th ed.) Citation

Lewis, O. (1949). Sea routes to the gold fields: The migration by water to California in 1849-1852 ([First edition].). A. A. Knopf.

Chicago Style (17th ed.) Citation

Lewis, Oscar. Sea Routes to the Gold Fields: The Migration by Water to California in 1849-1852. [First edition]. New York: A. A. Knopf, 1949.

MLA (9th ed.) Citation

Lewis, Oscar. Sea Routes to the Gold Fields: The Migration by Water to California in 1849-1852. [First edition]. A. A. Knopf, 1949.