APA (7th ed.) Citation

Gassmann, J., Gassmann, J., & Coultre, D. L. (2017). Fighting with the Longsword: Modern-day HEMA Practices. Bern Open Publishing.

Chicago Style (17th ed.) Citation

Gassmann, Jack, Jürg Gassmann, and Dominique Le Coultre. Fighting with the Longsword: Modern-day HEMA Practices. Bern Open Publishing, 2017.

MLA (9th ed.) Citation

Gassmann, Jack, et al. Fighting with the Longsword: Modern-day HEMA Practices. Bern Open Publishing, 2017.