Gaya APA

Garcia, M, P., Sousa, L, D. (2018). Global History and New Polycentric Approaches (1st ed. 2018). : Springer Singapore.

Gaya MLA

Garcia, Manuel, Perez., Sousa, Lucio, De. "Global History and New Polycentric Approaches". 1st ed. 2018 : Springer Singapore, 2018. Electronic Resource.