APA (7th ed.) Citation

Heasley, B., Maskur, & Sumarwati. (1996). English in use. Erlangga.

Chicago Style (17th ed.) Citation

Heasley, Brendan, Maskur, and Sumarwati. English in Use. Erlangga, 1996.

MLA (8th ed.) Citation

Heasley, Brendan, et al. English in Use. Erlangga, 1996.