Cita APA (7th ed.)

Ramfjord, S. P., & Ash, M. M. (1966). Occlusion. Saunders.

Cita Chicago (17th ed.)

Ramfjord, Sigurd Peder, i Major M. Ash. Occlusion. Philadelphia: Saunders, 1966.

Cita MLA (9th ed.)

Ramfjord, Sigurd Peder, i Major M. Ash. Occlusion. Saunders, 1966.