Cita APA (7a ed.)

Kopecky, L. (1987). Proceedings of the first seminar on carbonatites and alkaline rocks of the bohemian massif and ambient regions. Geological Survey.

Cita Chicago Style (17a ed.)

Kopecky, Lubomir. Proceedings of the First Seminar on Carbonatites and Alkaline Rocks of the Bohemian Massif and Ambient Regions. Prague: Geological Survey, 1987.

Cita MLA (8a ed.)

Kopecky, Lubomir. Proceedings of the First Seminar on Carbonatites and Alkaline Rocks of the Bohemian Massif and Ambient Regions. Geological Survey, 1987.