Dyfyniad APA

Vernadskiĭ, V. I., Lichkov, B. L., & Levshin, B. V. (1979). Perepiska V. I. Vernadskogo s B. L. Lichkovym, 1918-1939. Nauka.

Dyfyniad Arddull Chicago

Vernadskiĭ, V. I., Boris Leonidovich Lichkov, and Boris Venediktovich Levshin. Perepiska V. I. Vernadskogo S B. L. Lichkovym, 1918-1939. Moskva: Nauka, 1979.

Dyfyniad MLA

Vernadskiĭ, V. I., et al. Perepiska V. I. Vernadskogo S B. L. Lichkovym, 1918-1939. Nauka, 1979.

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