APA (7th ed.) Citation

Tretjakows, Sergej - Trevor Roper, Hugh Redwald.

Chicago Style (17th ed.) Citation

Tretjakows, Sergej - Trevor Roper, Hugh Redwald.

MLA (8th ed.) Citation

Tretjakows, Sergej - Trevor Roper, Hugh Redwald.

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