Cita APA (7a ed.)

National Research Council (Estats Units d'Amèrica). (1933). Seismology. National Research Council of the National Academy of Sciences.

Cita Chicago Style (17a ed.)

National Research Council (Estats Units d'Amèrica). Seismology. Washington: National Research Council of the National Academy of Sciences, 1933.

Cita MLA (9a ed.)

National Research Council (Estats Units d'Amèrica). Seismology. National Research Council of the National Academy of Sciences, 1933.