APA引文

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

Chicago Style (17th ed.) Citation

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

MLA引文

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

警告：这些引文格式不一定是100％准确.