APA (7th ed.) Citation

Kalok, A., Aziz, N., Malik, D., Shah, S., Nasuruddin, D., Omar, M., . . . Shafiee, M. Maternal serum vitamin D and spontaneous preterm birth. IMR Press.

Chicago Style (17th ed.) Citation

Kalok, A., N.H.A Aziz, D.A Malik, S.A Shah, D.N Nasuruddin, M.H Omar, N.A.M Ismail, and M.N Shafiee. Maternal Serum Vitamin D and Spontaneous Preterm Birth. IMR Press.

MLA (9th ed.) Citation

Kalok, A., et al. Maternal Serum Vitamin D and Spontaneous Preterm Birth. IMR Press.