Cita APA (7a ed.)

Hazard, D. L. (1911). Directions for magnetic measurements. Government Printing.

Cita Chicago Style (17a ed.)

Hazard, Daniel L. Directions for Magnetic Measurements. Washington: Government Printing, 1911.

Cita MLA (9a ed.)

Hazard, Daniel L. Directions for Magnetic Measurements. Government Printing, 1911.