APA Citation

ZIMDAHL, R. L. (1900). Weed-crop competition a riview. [Tidak Terdaftar].

Chicago Style Citation

ZIMDAHL, Robert L. Weed-crop Competition a Riview. [Tidak Terdaftar], 1900.

MLA Citation

ZIMDAHL, Robert L. Weed-crop Competition a Riview. [Tidak Terdaftar], 1900.

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