APA

Iams J. D., Goldenberg R. L., Mercer B. M., Moawad A., Thom E., Meis P. J., McNellis D., Caritis S. N., Miodovnik M., Menard M. K., Thurnau G. R., Bottoms S. E. & Roberts J. M. (19980612). The Preterm Prediction Study: recurrence risk of spontaneous preterm birth. National Institute of Child Health and Human Development Maternal-Fetal Medicine Units Network. : American journal of obstetrics and gynecology.

Chicago

Iams J D, Goldenberg R L, Mercer B M, Moawad A, Thom E, Meis P J, McNellis D, Caritis S N, Miodovnik M, Menard M K, Thurnau G R, Bottoms S E and Roberts J M. 19980612. The Preterm Prediction Study: recurrence risk of spontaneous preterm birth. National Institute of Child Health and Human Development Maternal-Fetal Medicine Units Network. : American journal of obstetrics and gynecology.

Harvard

Iams J. D., Goldenberg R. L., Mercer B. M., Moawad A., Thom E., Meis P. J., McNellis D., Caritis S. N., Miodovnik M., Menard M. K., Thurnau G. R., Bottoms S. E. and Roberts J. M. (19980612). The Preterm Prediction Study: recurrence risk of spontaneous preterm birth. National Institute of Child Health and Human Development Maternal-Fetal Medicine Units Network. : American journal of obstetrics and gynecology.

MLA

Iams J D, Goldenberg R L, Mercer B M, Moawad A, Thom E, Meis P J, McNellis D, Caritis S N, Miodovnik M, Menard M K, Thurnau G R, Bottoms S E and Roberts J M. The Preterm Prediction Study: recurrence risk of spontaneous preterm birth. National Institute of Child Health and Human Development Maternal-Fetal Medicine Units Network. : American journal of obstetrics and gynecology. 19980612.