Cita APA (7a ed.)

Walker, C. B. F., & Moore, P. (1996). Astronomy before the telescope. British Museum.

Cita Chicago Style (17a ed.)

Walker, C. B. F., y Patrick Moore. Astronomy Before the Telescope. London: British Museum, 1996.

Cita MLA (9a ed.)

Walker, C. B. F., y Patrick Moore. Astronomy Before the Telescope. British Museum, 1996.