APA (7th ed.) Citation

Popchev, I., & Petreškova, S. (1989). Decentralized systems. Publ. House of the Bulgarian Acad. of Sciences.

Chicago Style (17th ed.) Citation

Popchev, Ivan, and S. Petreškova. Decentralized Systems. Sofia: Publ. House of the Bulgarian Acad. of Sciences, 1989.

MLA (9th ed.) Citation

Popchev, Ivan, and S. Petreškova. Decentralized Systems. Publ. House of the Bulgarian Acad. of Sciences, 1989.

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