APA (7th ed.) Citation

Christiansen, J. A., & Knuth, E. (1935). On the velocity of the thermal decomposition of ammonia on a quartz surface. Levin & Munksgaard.

Chicago Style (17th ed.) Citation

Christiansen, J. A., and Eggert Knuth. On the Velocity of the Thermal Decomposition of Ammonia on a Quartz Surface. København: Levin & Munksgaard, 1935.

MLA (9th ed.) Citation

Christiansen, J. A., and Eggert Knuth. On the Velocity of the Thermal Decomposition of Ammonia on a Quartz Surface. Levin & Munksgaard, 1935.