Planetary Geology - Earth Sciences bibliographies - in Harvard style

In-text: (Greely, 2013)

Your Bibliography: Greely, R., 2013. Introduction to planetary geomorphology. 1st ed. Cambridge: Cambridge University Press, pp.116-118.

In-text: (Head et al., 1992)

Your Bibliography: Head, J., Crumpler, L., Aubele, J., Guest, J. and Saunders, R., 1992. Venus volcanism: Classification of volcanic features and structures, associations, and global distribution from Magellan data. Journal of Geophysical Research, 97(E8), p.13153.

In-text: (Wilson and Head, 1983)

Your Bibliography: Wilson, L. and Head, J., 1983. A comparison of volcanic eruption processes on Earth, Moon, Mars, Io and Venus. Nature, 302(5910), pp.663-669.