APA (7th ed.) Citation

Youngman, E. P. (1930). Deposits of titanium-bearing ores (domestic and foreign). [publisher not identified].

Chicago Style (17th ed.) Citation

Youngman, E. P. Deposits of Titanium-bearing Ores (domestic and Foreign). Washington, D.C.: [publisher not identified], 1930.

MLA (9th ed.) Citation

Youngman, E. P. Deposits of Titanium-bearing Ores (domestic and Foreign). [publisher not identified], 1930.