APA
WALLACE T., . (1951). Diagnosis of mineral deficiencies in plants by visual symptoms: A colour atlas and guide. London: HMSO.
Chicago
WALLACE T, . 1951. Diagnosis of mineral deficiencies in plants by visual symptoms: A colour atlas and guide. London: HMSO.
Harvard
WALLACE T., . (1951). Diagnosis of mineral deficiencies in plants by visual symptoms: A colour atlas and guide. London: HMSO.
MLA
WALLACE T, . Diagnosis of mineral deficiencies in plants by visual symptoms: A colour atlas and guide. London: HMSO. 1951.