Cita APA (7a ed.)

Trausti Einarsson. (1946). Origin of the basic tuffs of Iceland. [s. n.].

Cita Chicago Style (17a ed.)

Trausti Einarsson. Origin of the Basic Tuffs of Iceland. Reykjavik: [s. n.], 1946.

Cita MLA (8a ed.)

Trausti Einarsson. Origin of the Basic Tuffs of Iceland. [s. n.], 1946.