APA (7th ed.) Citation

Šabík, V., Heym, S., & Radek, K. B. Stefan Heym: Radek.

Chicago Style (17th ed.) Citation

Šabík, Vincent, Stefan Heym, and Karl Bernhardovič Radek. Stefan Heym: Radek.

MLA (9th ed.) Citation

Šabík, Vincent, et al. Stefan Heym: Radek.

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