APA (7th ed.) Citation

(1902). Vol. 29, № 1-6; Vol.30, № 1-6; American Geologist. 1902.

Chicago Style (17th ed.) Citation

Vol. 29, № 1-6; Vol.30, № 1-6; American Geologist. 1902, 1902.

MLA (9th ed.) Citation

Vol. 29, № 1-6; Vol.30, № 1-6; American Geologist. 1902, 1902.

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