Cita APA

Hudson, D. E. (1971). Strong-motion instrumental data on the San Fernando Earthquake of Feb. 9, 1971. California, US: Sismological Field Survey.

Citación estilo Chicago

Hudson, D. E. Strong-motion Instrumental Data On the San Fernando Earthquake of Feb. 9, 1971. California, US: Sismological Field Survey, 1971.

Cita MLA

Hudson, D. E. Strong-motion Instrumental Data On the San Fernando Earthquake of Feb. 9, 1971. California, US: Sismological Field Survey, 1971.