Gaya APA

Ellis, M, A., Moffatt, I. (2013). Graphs on surfaces: dualities, polynomials, and knots (1). New York: Springer New York.

Gaya MLA

Ellis, Monaghan,Joanna, A.., Moffatt, Iain. "Graphs on surfaces: dualities, polynomials, and knots". 1 New York: Springer New York, 2013. Electronic Resource.