APA (7th ed.) Citation

Shapiro, N. M., & Singh, S. K. (1999). A systematic error in estimating surface-wave group-velocity dispersion curves and a procedure for its correction. Bulletin of the Seismological Society of America, 89(4), 1138.

Chicago Style (17th ed.) Citation

Shapiro, N. M., and S. K. Singh. "A Systematic Error in Estimating Surface-wave Group-velocity Dispersion Curves and a Procedure for Its Correction." Bulletin of the Seismological Society of America 89, no. 4 (1999): 1138.

MLA (9th ed.) Citation

Shapiro, N. M., and S. K. Singh. "A Systematic Error in Estimating Surface-wave Group-velocity Dispersion Curves and a Procedure for Its Correction." Bulletin of the Seismological Society of America, vol. 89, no. 4, 1999, p. 1138.

Warning: These citations may not always be 100% accurate.