Cita APA

Ludlum, R. P. 1., Wilder, H. B. n. 1., & Brown, H. M. n. 1. (1956). This is America's story. Boston, Massachusetts: Houghton Mifflin.

Citación estilo Chicago

Ludlum, Robert P. 1927-2001, Howard Baker n. 1901 Wilder, y Harriet McCune n. 1897 Brown. This Is America's Story. Boston, Massachusetts: Houghton Mifflin, 1956.

Cita MLA

Ludlum, Robert P. 1927-2001, Howard Baker n. 1901 Wilder, y Harriet McCune n. 1897 Brown. This Is America's Story. Boston, Massachusetts: Houghton Mifflin, 1956.