APA (7th ed.) Citation

Black, A. G. Records of the Geiger family, descendants of Valentine Gieger.

Chicago Style (17th ed.) Citation

Black, Arthur Geiger. Records of the Geiger Family, Descendants of Valentine Gieger.

MLA (9th ed.) Citation

Black, Arthur Geiger. Records of the Geiger Family, Descendants of Valentine Gieger.

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