APA (7th ed.) Citation

Tan, P., Jacob, R., Quek, K., & Omar, S. (2006). The fetal sex ratio and metabolic, biochemical, haematological and clinical indicators of severity of hyperemesis gravidarum. Elsevier.

Chicago Style (17th ed.) Citation

Tan, P.C, R. Jacob, K.F Quek, and S.Z Omar. The Fetal Sex Ratio and Metabolic, Biochemical, Haematological and Clinical Indicators of Severity of Hyperemesis Gravidarum. Elsevier, 2006.

MLA (9th ed.) Citation

Tan, P.C, et al. The Fetal Sex Ratio and Metabolic, Biochemical, Haematological and Clinical Indicators of Severity of Hyperemesis Gravidarum. Elsevier, 2006.