APA (7th ed.) Citation

Saxo, G., & Elton, O. (2006). The Danish History, Books I-IX. Project Gutenberg.

Chicago Style (17th ed.) Citation

Saxo, Grammaticus, and Oliver Elton. The Danish History, Books I-IX. Project Gutenberg, 2006.

MLA (9th ed.) Citation

Saxo, Grammaticus, and Oliver Elton. The Danish History, Books I-IX. Project Gutenberg, 2006.

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