APA (7th ed.) Citation

WICHMANN,DR.W. INTRODUCTION FERTILIZERS AND THEIR EFFICIENT USE. IFA.

Chicago Style (17th ed.) Citation

WICHMANN,DR.W. INTRODUCTION FERTILIZERS AND THEIR EFFICIENT USE. IFA.

MLA (8th ed.) Citation

WICHMANN,DR.W. INTRODUCTION FERTILIZERS AND THEIR EFFICIENT USE. IFA.

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