APA

Iams J. D., Newman R. B., Thom E. A., Goldenberg R. L., Mueller-Heubach E., Moawad A., Sibai B. M., Caritis S. N., Miodovnik M., Paul R. H., Dombrowski M. P., Thurnau G. & McNellis D. (20020204). Frequency of uterine contractions and the risk of spontaneous preterm delivery. : The New England journal of medicine.

Chicago

Iams Jay D, Newman Roger B, Thom Elizabeth A, Goldenberg Robert L, Mueller-Heubach Eberhard, Moawad Atef, Sibai Baha M, Caritis Steve N, Miodovnik Menachem, Paul Richard H, Dombrowski Mitchell P, Thurnau Gary and McNellis Donald. 20020204. Frequency of uterine contractions and the risk of spontaneous preterm delivery. : The New England journal of medicine.

Harvard

Iams J. D., Newman R. B., Thom E. A., Goldenberg R. L., Mueller-Heubach E., Moawad A., Sibai B. M., Caritis S. N., Miodovnik M., Paul R. H., Dombrowski M. P., Thurnau G. and McNellis D. (20020204). Frequency of uterine contractions and the risk of spontaneous preterm delivery. : The New England journal of medicine.

MLA

Iams Jay D, Newman Roger B, Thom Elizabeth A, Goldenberg Robert L, Mueller-Heubach Eberhard, Moawad Atef, Sibai Baha M, Caritis Steve N, Miodovnik Menachem, Paul Richard H, Dombrowski Mitchell P, Thurnau Gary and McNellis Donald. Frequency of uterine contractions and the risk of spontaneous preterm delivery. : The New England journal of medicine. 20020204.