Cita APA (7th ed.)

Hdrlicka, A. (1918). Recent discoveries attributed to early man in America (1a. ed.). Government Printing Office.

Cita Chicago (17th ed.)

Hdrlicka, Ales. Recent Discoveries Attributed to Early Man in America. 1a. ed. Washington, D.C: Government Printing Office, 1918.

Cita MLA (9th ed.)

Hdrlicka, Ales. Recent Discoveries Attributed to Early Man in America. 1a. ed. Government Printing Office, 1918.