APA (7th ed.) Citation

Chalupka, Ľ. Rudolf Pečman: Vladimír Helfert.

Chicago Style (17th ed.) Citation

Chalupka, Ľubomír. Rudolf Pečman: Vladimír Helfert.

MLA (9th ed.) Citation

Chalupka, Ľubomír. Rudolf Pečman: Vladimír Helfert.

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