APA Style

Li, Y, M, A, X. (2020). Easy Steps to Chinese for Adults 4 Workbook, 2nd Edition (2nd Edition). Beijing, China: Beijing Language and Culture University Press.

MLA Style

Li, Yamin, Ma, And, Xinying. "Easy Steps to Chinese for Adults 4 Workbook, 2nd Edition". 2nd Edition Beijing, China: Beijing Language and Culture University Press, 2020. Text.