APA (7th ed.) Citation

Holm, P., & Henrichssen, H. Norma ratiocinationis optima.

Chicago Style (17th ed.) Citation

Holm, Peder, and H. Henrichssen. Norma Ratiocinationis Optima. Havnia.

MLA (9th ed.) Citation

Holm, Peder, and H. Henrichssen. Norma Ratiocinationis Optima.

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