APA (7th ed.) Citation
Geršgal, D., & Fridman, V. (1961). Uľtrazvukovaja apparatura. G.E.L.
Chicago Style (17th ed.) Citation
Geršgal, D.A, and V.M Fridman. Uľtrazvukovaja Apparatura. Moskva: G.E.L, 1961.
MLA (9th ed.) Citation
Geršgal, D.A, and V.M Fridman. Uľtrazvukovaja Apparatura. G.E.L, 1961.
Warning: These citations may not always be 100% accurate.