APA (7th ed.) Citation

Steen, P. v. d. Broek, H. van den. . Gorbačev, Michail Sergeevič.

Chicago Style (17th ed.) Citation

Steen, Paul van der. Broek, H. Van Den. . Gorbačev, Michail Sergeevič.

MLA (8th ed.) Citation

Steen, Paul van der. Broek, H. Van Den. . Gorbačev, Michail Sergeevič.

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