APA
Robinson J. B. D., . (1974). An annotated bibliography of colour illustrated mineral deficieny symptoms in tropical crops. England: Commonwealth Agricultural Bureaux.
Chicago
Robinson J B D, . 1974. An annotated bibliography of colour illustrated mineral deficieny symptoms in tropical crops. England: Commonwealth Agricultural Bureaux.
Harvard
Robinson J. B. D., . (1974). An annotated bibliography of colour illustrated mineral deficieny symptoms in tropical crops. England: Commonwealth Agricultural Bureaux.
MLA
Robinson J B D, . An annotated bibliography of colour illustrated mineral deficieny symptoms in tropical crops. England: Commonwealth Agricultural Bureaux. 1974.