Cita APA

Abbot, C. G. n. 1., & Abbot, C. G. n. 1. (1910). The Sun and the welfare of man. New York, New York: Smithsonian Institution.

Citación estilo Chicago

Abbot, Charles Greeley n. 1872, y Charles Greeley n. 1872 Abbot. The Sun and the Welfare of Man. New York, New York: Smithsonian Institution, 1910.

Cita MLA

Abbot, Charles Greeley n. 1872, y Charles Greeley n. 1872 Abbot. The Sun and the Welfare of Man. New York, New York: Smithsonian Institution, 1910.