Cita APA (7a ed.)

Sawyer, R. W. (1932). Henry Larcom Abbott and the Pacific railroad surveys in Oregon, 1855.

Cita Chicago Style (17a ed.)

Sawyer, Robert W. Henry Larcom Abbott and the Pacific Railroad Surveys in Oregon, 1855. [n. p, 1932.

Cita MLA (8a ed.)

Sawyer, Robert W. Henry Larcom Abbott and the Pacific Railroad Surveys in Oregon, 1855. 1932.

Precaución: Estas citas no son 100% exactas.