APA (7th ed.) Citation

Não informado. (1931). Mineral Industries. Pennsylvania State College, College of Earth and Mineral Sciences.

Chicago Style (17th ed.) Citation

Não informado. Mineral Industries. State College, Pa: Pennsylvania State College, College of Earth and Mineral Sciences, 1931.

MLA (8th ed.) Citation

Não informado. Mineral Industries. Pennsylvania State College, College of Earth and Mineral Sciences, 1931.

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