APA (7th ed.) Citation

Nevala, M., & Tyrkkö, J. Lunatics and idiots. Royal Swedish Academy of Swedish Folk Culture.

Chicago Style (17th ed.) Citation

Nevala, Minna, and Jukka Tyrkkö. Lunatics and Idiots. Royal Swedish Academy of Swedish Folk Culture.

MLA (9th ed.) Citation

Nevala, Minna, and Jukka Tyrkkö. Lunatics and Idiots. Royal Swedish Academy of Swedish Folk Culture.

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