Стиль цитування APA (7-ме видання)

Patyk, V. V. (2019). The unpublished work of H. P. Zhytetskyi as a source of research of the scientist's biography.

Чикаго стиль цитування (17-те видання)

Patyk, V. V. The Unpublished Work of H. P. Zhytetskyi as a Source of Research of the Scientist's Biography. 2019.

Стиль цитування MLA (8-ме видання)

Patyk, V. V. The Unpublished Work of H. P. Zhytetskyi as a Source of Research of the Scientist's Biography. 2019.