APA Style

Berkhof, L. et al (2016). Foundation of Christian Education Addresses To Christian Teachers = Dasar Pendidikan Kristen Ceramah-ceramah Kepada Guru-guru Kristen (6). Surabaya: Momentum.

MLA Style

Berkhof, Louis. et al. "Foundation of Christian Education Addresses To Christian Teachers = Dasar Pendidikan Kristen Ceramah-ceramah Kepada Guru-guru Kristen". 6 Surabaya: Momentum, 2016. Text.