Complex sentence: In 1978 Jeannette Armstrong began employment with the Penticton Band in a number of cultural and political capacities while also pursuing her work as a researcher, consultant, and writer at the En’owkin Centre (Lutz 13 and Petrone 140).
Split into simpler sentences: In 1978 Jeannette Armstrong began employment with the Penticton Band in a number of cultural and political roles. She also worked as a researcher, consultant, and writer at the En’owkin Centre (Lutz 13 and Petrone 140).