APA Style

Brahmantyo, B. et al (2010). Buletin Berita IAGI: Special Edition 50 Years IAGI 2010 (Special Edition). Bandung, Indonesia: Ikatan Ahli Geologi Indonesia (IAGI).

MLA Style

Brahmantyo, Budi. et al. "Buletin Berita IAGI: Special Edition 50 Years IAGI 2010". Special Edition Bandung, Indonesia: Ikatan Ahli Geologi Indonesia (IAGI), 2010. Book.