Index Theologicus

Цитирование APA (7-е изд.)

Frye, R. N., & Blake, R. P. (2007). Notes on the Risala of Ibn-Fadlan. The Turks in the early Islamic world, 229-259.

Цитирование в стиле Чикаго (17-е изд.)

Frye, Richard Nelson, и R. P. Blake. "Notes on the Risala of Ibn-Fadlan." The Turks in the Early Islamic World 2007: 229-259.

Цитирование MLA (9-е изд.)

Frye, Richard Nelson, и R. P. Blake. "Notes on the Risala of Ibn-Fadlan." The Turks in the Early Islamic World, 2007, pp. 229-259.