Cita APA (7th ed.)

Lindström, G. (1890). The Ascoceratidae and the Lituitidae of the Upper Silurian formation of Gotland. P.A. Norstedt & Söner.

Cita Chicago (17th ed.)

Lindström, G. The Ascoceratidae and the Lituitidae of the Upper Silurian Formation of Gotland. Stockholm: P.A. Norstedt & Söner, 1890.

Cita MLA (8th ed.)

Lindström, G. The Ascoceratidae and the Lituitidae of the Upper Silurian Formation of Gotland. P.A. Norstedt & Söner, 1890.