APA (7th ed.) Citation

Hagberg, A., & Blak, K. (2014). Yggdrasil - Summartonar Festival.

Chicago Style (17th ed.) Citation

Hagberg, Anders, and Kristian Blak. Yggdrasil - Summartonar Festival. 2014.

MLA (9th ed.) Citation

Hagberg, Anders, and Kristian Blak. Yggdrasil - Summartonar Festival. 2014.

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