APA-Zitierstil (7. Ausg.)

Willis, B. (1911). What is Terra Firma?: A Review of Current Research in Isostasy. By Bailey Willis. <With Plates 1 - 3>. Government Printing Office.

Chicago-Zitierstil (17. Ausg.)

Willis, Bailey. What Is Terra Firma?: A Review of Current Research in Isostasy. By Bailey Willis. <With Plates 1 - 3>. Washington: Government Printing Office, 1911.

MLA-Zitierstil (9. Ausg.)

Willis, Bailey. What Is Terra Firma?: A Review of Current Research in Isostasy. By Bailey Willis. <With Plates 1 - 3>. Government Printing Office, 1911.