APA Style

Choanji, T. et al (2019). JGEET : Journal Of Geoscience Engineering, Environment And Technology (Vol.4, No.4, Periode Desember 2019). Pekanbaru: UIR Press.

MLA Style

Choanji, Tiggi. et al. "JGEET : Journal Of Geoscience Engineering, Environment And Technology". Vol.4, No.4, Periode Desember 2019 Pekanbaru: UIR Press, 2019. Text.