Cita APA (7a ed.)

Peterson, D., & Ammann, K. (2013). Giraffe reflections. University of California Press.

Cita Chicago Style (17a ed.)

Peterson, Dale, y Karl Ammann. Giraffe Reflections. Berkeley: University of California Press, 2013.

Cita MLA (8a ed.)

Peterson, Dale, y Karl Ammann. Giraffe Reflections. University of California Press, 2013.