APA Цитирование

Persianov, L. S. (1973). Recent progress in obstetrics and Gynaecology: Proceedings of the 7 World Congress of Obstetrics and Gynaecology held in Moscow, August 12018, 1973.

Chicago-стиль цитирования

Persianov, L. S. Recent Progress in Obstetrics and Gynaecology: Proceedings of the 7 World Congress of Obstetrics and Gynaecology Held in Moscow, August 12018, 1973. Moscow, 1973.

MLA-цитирование

Persianov, L. S. Recent Progress in Obstetrics and Gynaecology: Proceedings of the 7 World Congress of Obstetrics and Gynaecology Held in Moscow, August 12018, 1973. 1973.