Cita APA

Salamanca, L., & Salamanca, L. (1942). Fortress of freedom: The story of the Library of Congress (1. edition.). Philadelphia: J. B. Lippincott.

Citación estilo Chicago

Salamanca, Lucy, y Lucy Salamanca. Fortress of Freedom: The Story of the Library of Congress. 1. edition. Philadelphia: J. B. Lippincott, 1942.

Cita MLA

Salamanca, Lucy, y Lucy Salamanca. Fortress of Freedom: The Story of the Library of Congress. 1. edition. Philadelphia: J. B. Lippincott, 1942.