Cita APA (7a ed.)

(1911). Magnetic Survey of Egypt: Values of the magnetic elements at 81 stations. Printed at the National Print. Dept.

Cita Chicago Style (17a ed.)

Magnetic Survey of Egypt: Values of the Magnetic Elements at 81 Stations. Cairo: Printed at the National Print. Dept, 1911.

Cita MLA (9a ed.)

Magnetic Survey of Egypt: Values of the Magnetic Elements at 81 Stations. Printed at the National Print. Dept, 1911.