APA (7th ed.) Citation

(1971). BKP . spravočnik ; 1891-1971.

Chicago Style (17th ed.) Citation

BKP . Spravočnik ; 1891-1971. 1971.

MLA (8th ed.) Citation

BKP . Spravočnik ; 1891-1971. 1971.

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