APA (7th ed.) Citation

Gupta, I. N. (1973). Premonitory variations in S-wave anisotropy before earthquakes in Nevada. Science, 182, 1129.

Chicago Style (17th ed.) Citation

Gupta, I. N. "Premonitory Variations in S-wave Anisotropy Before Earthquakes in Nevada." Science 182 (1973): 1129.

MLA (9th ed.) Citation

Gupta, I. N. "Premonitory Variations in S-wave Anisotropy Before Earthquakes in Nevada." Science, vol. 182, 1973, p. 1129.