APA (7th ed.) Citation

Rumanovský, I. (1957). Jozef Petzval. Život a dielo. Osveta.

Chicago Style (17th ed.) Citation

Rumanovský, Ivan. Jozef Petzval. Život a Dielo. Martin: Osveta, 1957.

MLA (9th ed.) Citation

Rumanovský, Ivan. Jozef Petzval. Život a Dielo. Osveta, 1957.

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