German genealogical research

MLA

Schweitzer, George K., Anne M. Smalley and Katharina. Hecke. German genealogical research. [Knoxville, Tenn.? : The Author?] c1992.

APA

Schweitzer, G., Smalley, A. & Hecke, K. (1992). German genealogical research. [Knoxville, Tenn.? : The Author?].

Chicago

Schweitzer, George K., Anne M. Smalley and Katharina. Hecke. German genealogical research. [Knoxville, Tenn.? : The Author?] c1992.