APA (7th ed.) Citation

(1918). Vol. 40, № 7-12. 1918.

Chicago Style (17th ed.) Citation

Vol. 40, № 7-12. 1918, 1918.

MLA (9th ed.) Citation

Vol. 40, № 7-12. 1918, 1918.

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