Skulsky, H. (2013). Metamorphosis. Cambridge (MA): Harvard University Press. doi: https://doi.org/10.4159/harvard.9780674424982
Skulsky, Harold. Metamorphosis. Cambridge (MA): Harvard University Press, 2013. https://doi.org/10.4159/harvard.9780674424982 Web.
Skulsky, Harold. Metamorphosis, (Cambridge (MA): Harvard University Press, 2013) doi: https://doi.org/10.4159/harvard.9780674424982
Skulsky, H. (2013). Metamorphosis, Cambridge (MA): Harvard University Press. Available From: Harvard University Press https://doi.org/10.4159/harvard.9780674424982 [Accessed 22 January 2021]