APA (7th ed.) Citation

(1950). V. 21, № 7-9. 1950.

Chicago Style (17th ed.) Citation

V. 21, № 7-9. 1950, 1950.

MLA (9th ed.) Citation

V. 21, № 7-9. 1950, 1950.

Warning: These citations may not always be 100% accurate.