APA (7th ed.) Citation

Sipols, V., & Bobrov, L. (1982). Diplomatic battles before World War II. Progress.

Chicago Style (17th ed.) Citation

Sipols, Vilnis, and Lev Bobrov. Diplomatic Battles Before World War II. Moscow: Progress, 1982.

MLA (9th ed.) Citation

Sipols, Vilnis, and Lev Bobrov. Diplomatic Battles Before World War II. Progress, 1982.

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