APA Style

VH, E, S. et al (2012). Phitochemical sreenning and analysis polyphenolic antioxidant activity of methanolic extract of white dragon fruit(Hylocereus undatus) . Yogyakarta: Faculty of Pharmacy Universitas Gajah Mada Yogyakarta.

MLA Style

VH, Elfi, Susanti. et al. "Phitochemical sreenning and analysis polyphenolic antioxidant activity of methanolic extract of white dragon fruit(Hylocereus undatus)". Yogyakarta: Faculty of Pharmacy Universitas Gajah Mada Yogyakarta, 2012. Text.