APA (7th ed.) Citation

(1986). Ordovician system in Kazakhstan and Middle Asia: Correlation charts and explanatory notes. IUGS.

Chicago Style (17th ed.) Citation

Ordovician System in Kazakhstan and Middle Asia: Correlation Charts and Explanatory Notes. Ottawa u.a: IUGS, 1986.

MLA (9th ed.) Citation

Ordovician System in Kazakhstan and Middle Asia: Correlation Charts and Explanatory Notes. IUGS, 1986.