Cita APA

Kutner, M. L., & Kutner, M. L. (1987). Astronomy: A physical perspective. New York, New York: J. Wiley.

Citación estilo Chicago

Kutner, Marc Leslie, y Marc Leslie Kutner. Astronomy: A Physical Perspective. New York, New York: J. Wiley, 1987.

Cita MLA

Kutner, Marc Leslie, y Marc Leslie Kutner. Astronomy: A Physical Perspective. New York, New York: J. Wiley, 1987.