APA (7th ed.) Citation

(1920). Vol. 42, № 1-6. 1920.

Chicago Style (17th ed.) Citation

Vol. 42, № 1-6. 1920, 1920.

MLA (9th ed.) Citation

Vol. 42, № 1-6. 1920, 1920.

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