Cita APA (7a ed.)

Kimbrell, G. (2016). The Primitive Observatory. Southern Illinois University Press.

Cita Chicago Style (17a ed.)

Kimbrell, Gregory. The Primitive Observatory. Carbondale: Southern Illinois University Press, 2016.

Cita MLA (8a ed.)

Kimbrell, Gregory. The Primitive Observatory. Southern Illinois University Press, 2016.