APA (7th ed.) Citation

Wise, T. J., & Borrow, G. (2008). Proud Signild, and Other Ballads. Project Gutenberg.

Chicago Style (17th ed.) Citation

Wise, Thomas James, and George Borrow. Proud Signild, and Other Ballads. Project Gutenberg, 2008.

MLA (9th ed.) Citation

Wise, Thomas James, and George Borrow. Proud Signild, and Other Ballads. Project Gutenberg, 2008.

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