APA (7th ed.) Citation

Schmidt, A. (1973). The concept of nature in Marx. New Left Book.

Chicago Style (17th ed.) Citation

Schmidt, Alfred. The Concept of Nature in Marx. New Left Book, 1973.

MLA (9th ed.) Citation

Schmidt, Alfred. The Concept of Nature in Marx. New Left Book, 1973.

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