Cita APA

Helden, A. v., & Helden, A. v. (1986). Measuring the universe: Cosmic dimensions from Aristarchus to Halley. Chicago: The University of Chicago Press.

Citación estilo Chicago

Helden, Albert van, y Albert van Helden. Measuring the Universe: Cosmic Dimensions From Aristarchus to Halley. Chicago: The University of Chicago Press, 1986.

Cita MLA

Helden, Albert van, y Albert van Helden. Measuring the Universe: Cosmic Dimensions From Aristarchus to Halley. Chicago: The University of Chicago Press, 1986.