APA (7th ed.) Citation

Schmidt, C. (1920). Nature study and agriculture. D. C. Heath.

Chicago Style (17th ed.) Citation

Schmidt, Charles. Nature Study and Agriculture. Boston: D. C. Heath, 1920.

MLA (9th ed.) Citation

Schmidt, Charles. Nature Study and Agriculture. D. C. Heath, 1920.

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