Cita APA (7a ed.)

Radau, H. (1907). Astronomy on Mont Blanc. Government Printing Office.

Cita Chicago Style (17a ed.)

Radau, H. Astronomy on Mont Blanc. Washington: Government Printing Office, 1907.

Cita MLA (9a ed.)

Radau, H. Astronomy on Mont Blanc. Government Printing Office, 1907.