APA
Livadas S., Christou M., Economou F., Karachalios A., Xyrafis X., Boutzios G., Zerva A., Tantalaki E., Palimeri S. & Diamanti-Kandarakis E. (20111027). "Menstrual irregularities in PCOS. Does it matter when it starts?". : Experimental and clinical endocrinology & diabetes : official journal, German Society of Endocrinology [and] German Diabetes Association.
Chicago
Livadas S, Christou M, Economou F, Karachalios A, Xyrafis X, Boutzios G, Zerva A, Tantalaki E, Palimeri S and Diamanti-Kandarakis E. 20111027. "Menstrual irregularities in PCOS. Does it matter when it starts?". : Experimental and clinical endocrinology & diabetes : official journal, German Society of Endocrinology [and] German Diabetes Association.
Harvard
Livadas S., Christou M., Economou F., Karachalios A., Xyrafis X., Boutzios G., Zerva A., Tantalaki E., Palimeri S. and Diamanti-Kandarakis E. (20111027). "Menstrual irregularities in PCOS. Does it matter when it starts?". : Experimental and clinical endocrinology & diabetes : official journal, German Society of Endocrinology [and] German Diabetes Association.
MLA
Livadas S, Christou M, Economou F, Karachalios A, Xyrafis X, Boutzios G, Zerva A, Tantalaki E, Palimeri S and Diamanti-Kandarakis E. "Menstrual irregularities in PCOS. Does it matter when it starts?". : Experimental and clinical endocrinology & diabetes : official journal, German Society of Endocrinology [and] German Diabetes Association. 20111027.