APA (7th ed.) Citation

Sluzhynska, O. (2014). 130 years from the birthday of prolifi c demographer Mykhaylo Ptukha.

Chicago Style (17th ed.) Citation

Sluzhynska, O. 130 Years from the Birthday of Prolifi C Demographer Mykhaylo Ptukha. 2014.

MLA (8th ed.) Citation

Sluzhynska, O. 130 Years from the Birthday of Prolifi C Demographer Mykhaylo Ptukha. 2014.

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