Cita APA (7a ed.)

Reid, H. F. (1913). Determination of the constants of a seismograph. s.n.

Cita Chicago Style (17a ed.)

Reid, Harry Fielding. Determination of the Constants of a Seismograph. [S.l.: s.n, 1913.

Cita MLA (9a ed.)

Reid, Harry Fielding. Determination of the Constants of a Seismograph. s.n, 1913.