APA (7th ed.) Citation

Tolzmann, D. H. (1993). Upper Midwest German biographical index. Heritage Books.

Chicago Style (17th ed.) Citation

Tolzmann, Don Heinrich. Upper Midwest German Biographical Index. Bowie, Md: Heritage Books, 1993.

MLA (9th ed.) Citation

Tolzmann, Don Heinrich. Upper Midwest German Biographical Index. Heritage Books, 1993.

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