APA (7th ed.) Citation

Kalleinen, N., Polo, O., Himanen, S., Joutsen, A., & Polo-Kantola, P. (2008). The effect of estrogen plus progestin treatment on sleep: A randomized, placebo-controlled, double-blind trial in premenopausal and late postmenopausal women. Climacteric, 11(3), 233. https://doi.org/10.1080/13697130802112033

Chicago Style (17th ed.) Citation

Kalleinen, N., O. Polo, S.-L Himanen, A. Joutsen, and P. Polo-Kantola. "The Effect of Estrogen Plus Progestin Treatment on Sleep: A Randomized, Placebo-controlled, Double-blind Trial in Premenopausal and Late Postmenopausal Women." Climacteric 11, no. 3 (2008): 233. https://doi.org/10.1080/13697130802112033.

MLA (9th ed.) Citation

Kalleinen, N., et al. "The Effect of Estrogen Plus Progestin Treatment on Sleep: A Randomized, Placebo-controlled, Double-blind Trial in Premenopausal and Late Postmenopausal Women." Climacteric, vol. 11, no. 3, 2008, p. 233, https://doi.org/10.1080/13697130802112033.

Warning: These citations may not always be 100% accurate.