APA (7th ed.) Citation

Twenhofel, H., McKelvey, V. E., Nelson, H. F., & Feray, D. E. (1945). Description and chemical composition of ferromanganese deposits from Trout Lake, northern Wisconsin. PANGAEA.

Chicago Style (17th ed.) Citation

Twenhofel, H., V E. McKelvey, H F. Nelson, and D E. Feray. Description and Chemical Composition of Ferromanganese Deposits from Trout Lake, Northern Wisconsin. PANGAEA, 1945.

MLA (9th ed.) Citation

Twenhofel, H., et al. Description and Chemical Composition of Ferromanganese Deposits from Trout Lake, Northern Wisconsin. PANGAEA, 1945.