APA

Grzybowski L. G., .The Christianization of Scandinavia in the Viking Era: Religious Change in Adam of Bremens Historical Work. : Walter de Gruyter.

Chicago

Grzybowski Lukas G, .The Christianization of Scandinavia in the Viking Era: Religious Change in Adam of Bremens Historical Work. : Walter de Gruyter.

Harvard

Grzybowski L. G., .The Christianization of Scandinavia in the Viking Era: Religious Change in Adam of Bremens Historical Work. : Walter de Gruyter.

MLA

Grzybowski Lukas G, .: Walter de Gruyter. .