Cita APA (7a ed.)

Valtonen, M. J., & Karttunen, H. (2005). The three-body problem. Cambridge University Press.

Cita Chicago Style (17a ed.)

Valtonen, M. J., y Hannu Karttunen. The Three-body Problem. Cambridge, UK ; New York: Cambridge University Press, 2005.

Cita MLA (8a ed.)

Valtonen, M. J., y Hannu Karttunen. The Three-body Problem. Cambridge University Press, 2005.