Cita APA (7a ed.)

Twenhofel, H., McKelvey, V. E., Nelson, H. F., & Feray, D. E. (1945). Description of the ferromanganese deposits of Trout Lake, Wisconsin. PANGAEA.

Cita Chicago Style (17a ed.)

Twenhofel, H., V E. McKelvey, H F. Nelson, y D E. Feray. Description of the Ferromanganese Deposits of Trout Lake, Wisconsin. PANGAEA, 1945.

Cita MLA (9a ed.)

Twenhofel, H., et al. Description of the Ferromanganese Deposits of Trout Lake, Wisconsin. PANGAEA, 1945.