Cita APA

Tolkien,J.R.R, & Tolkien,Christopher. (2009). The legend of Sigurd and Gudrun. Harper collins.

Citación estilo Chicago

Tolkien,J.R.R, and Tolkien,Christopher. The Legend of Sigurd and Gudrun. London: Harper collins, 2009.

Cita MLA

Tolkien,J.R.R, and Tolkien,Christopher. The Legend of Sigurd and Gudrun. Harper collins, 2009.

Warning: These citations may not always be 100% accurate.