APA
Johnston A., Booth G. S., . (1983). Plant Pathologist's Pocketbook. Slough: Commonwealth Agricultural Bureaux.
Chicago
Johnston A, Booth G S, . 1983. Plant Pathologist's Pocketbook. Slough: Commonwealth Agricultural Bureaux.
Harvard
Johnston A., Booth G. S., . (1983). Plant Pathologist's Pocketbook. Slough: Commonwealth Agricultural Bureaux.
MLA
Johnston A, Booth G S, . Plant Pathologist's Pocketbook. Slough: Commonwealth Agricultural Bureaux. 1983.