Gaya APA

Cole, G, H., Woolfson, M, M. (2013). Planetary science : the science of planets around stars (2nd ed.). New York: Taylor & Francis group, LLC.

Gaya MLA

Cole, George, H.A.., Woolfson, Michael, M.. "Planetary science : the science of planets around stars". 2nd ed. New York: Taylor & Francis group, LLC, 2013. Text.