Gaya APA

Palmquist, S. et al (2007). Pohon Filsafat: Teks kuliah Pengantar Filsafat = The Tree of Philosophy: A Course of Introductory Lectures for Beginning Students of Philosophy . Yogyakarta: Pustaka Pelajar.

Gaya MLA

Palmquist, Stephen. et al. "Pohon Filsafat: Teks kuliah Pengantar Filsafat = The Tree of Philosophy: A Course of Introductory Lectures for Beginning Students of Philosophy". Yogyakarta: Pustaka Pelajar, 2007. Text.