APA (7th ed.) Citation

Ismail, M., Kawnal, N., & Shahbaz, M. Q. Generalized ratio-product-type estimator for variance using auxiliary information in simple random sampling. Elsevier.

Chicago Style (17th ed.) Citation

Ismail, Muhammad, Nazia Kawnal, and Muhammad Q. Shahbaz. Generalized Ratio-product-type Estimator for Variance Using Auxiliary Information in Simple Random Sampling. Elsevier.

MLA (9th ed.) Citation

Ismail, Muhammad, et al. Generalized Ratio-product-type Estimator for Variance Using Auxiliary Information in Simple Random Sampling. Elsevier.