APA (7th ed.) Citation

Weinberg В. Р. Boris Petrovich. (1914). Preliminary isogonic chart of Northern Asia for 1909.5. Baltimore, The Johns Hopkins press, 1914.

Chicago Style (17th ed.) Citation

Weinberg В. Р. Boris Petrovich. Preliminary Isogonic Chart of Northern Asia for 1909.5. Baltimore, The Johns Hopkins press, 1914, 1914.

MLA (9th ed.) Citation

Weinberg В. Р. Boris Petrovich. Preliminary Isogonic Chart of Northern Asia for 1909.5. Baltimore, The Johns Hopkins press, 1914, 1914.

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