APA (7th ed.) Citation

Šimko, Š., & Šimková, Z. Willem Einthoven (1860-1927).

Chicago Style (17th ed.) Citation

Šimko, Štefan, and Z. Šimková. Willem Einthoven (1860-1927).

MLA (9th ed.) Citation

Šimko, Štefan, and Z. Šimková. Willem Einthoven (1860-1927).

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