APA (7th ed.) Citation

Marxism after eighty years. [A lecture delivered at ... London, on March 14, 1963, the eithtieth anniversary of the death of Karl Marx]. Marx Memorial Library.

Chicago Style (17th ed.) Citation

Marxism After Eighty Years. [A Lecture Delivered at ... London, on March 14, 1963, the Eithtieth Anniversary of the Death of Karl Marx]. Marx Memorial Library.

MLA (8th ed.) Citation

Marxism After Eighty Years. [A Lecture Delivered at ... London, on March 14, 1963, the Eithtieth Anniversary of the Death of Karl Marx]. Marx Memorial Library.

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