Which documentation style requires numbered in-text citations and numbered

The innovative qualities of Cervantes' prose in Don Quixote include using everyday speech in dialogue, creating vivid portraits of the characters, and

a. presenting the narrative in a realistic way. b. featuring a narrative that includes class struggle. c. presenting the current state of the Church's politics. d. demonstrating the devotion of the saints.

Which Neo-Dada artists are often seen as a bridge from Abstract Expressionism to Pop Art?

a)  Robert Rauschenberg and Jasper Johns b)  Marcel Duchamp and Jackson Pollock c)  Helen Frankenthaler and Robert Motherwell d)  Mark Rothko and John Cage