APA (7th ed.) Citation

Ruedemann, R. (1933). The Cambrian for the upper Mississippi Valley.

Chicago Style (17th ed.) Citation

Ruedemann, Rudolf. The Cambrian for the Upper Mississippi Valley. Milwaukee, Wis, 1933.

MLA (9th ed.) Citation

Ruedemann, Rudolf. The Cambrian for the Upper Mississippi Valley. 1933.

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