Ryan, W. F. (1997). Magic and divination: Old Russian sources. The occult in Russian and Soviet culture, 35-58.
Citazione stile Chigago Style (17a edizione)Ryan, W. F. "Magic and Divination: Old Russian Sources." The Occult in Russian and Soviet Culture 1997: 35-58.
Citatione MLA (8a ed.)Ryan, W. F. "Magic and Divination: Old Russian Sources." The Occult in Russian and Soviet Culture, 1997, pp. 35-58.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.