Cita APA

Bartky, W. n. 1., & Bartky, W. n. 1. (1961). Highlights of astronomy. Chicago, III.: University of Chicago Press.

Citación estilo Chicago

Bartky, Walter n. 1901, y Walter n. 1901 Bartky. Highlights of Astronomy. Chicago, III.: University of Chicago Press, 1961.

Cita MLA

Bartky, Walter n. 1901, y Walter n. 1901 Bartky. Highlights of Astronomy. Chicago, III.: University of Chicago Press, 1961.