Nickelsburg, G. W. E. (2013). For Birger Pearson: A Scholar Who Both Studies and Embodies Syncretism. Practicing Gnosis, 7-10.
Citazione stile Chigago Style (17a edizione)Nickelsburg, George W. E. "For Birger Pearson: A Scholar Who Both Studies and Embodies Syncretism." Practicing Gnosis 2013: 7-10.
Citatione MLA (8a ed.)Nickelsburg, George W. E. "For Birger Pearson: A Scholar Who Both Studies and Embodies Syncretism." Practicing Gnosis, 2013, pp. 7-10.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.