APA (7th ed.) Citation

Nimtz, A. H. Marx and Engels . their contribution to the democratic breakthrough.

Chicago Style (17th ed.) Citation

Nimtz, August H. Marx and Engels . Their Contribution to the Democratic Breakthrough.

MLA (8th ed.) Citation

Nimtz, August H. Marx and Engels . Their Contribution to the Democratic Breakthrough.

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