APA Style

Wernham, S. et al (1995). Jolly Phonics Workbook 6 . Upper Saddle River, NJ: PT. Mandiri Jaya Abadi.

MLA Style

Wernham, Sara. et al. "Jolly Phonics Workbook 6". Upper Saddle River, NJ: PT. Mandiri Jaya Abadi, 1995. Text.