APA
Wellcome Trust collaborative study, . (1971). Tropical sprue and megaloblastic anemia. London: Longman Group Limited.
Chicago
Wellcome Trust collaborative study, . 1971. Tropical sprue and megaloblastic anemia. London: Longman Group Limited.
Harvard
Wellcome Trust collaborative study, . (1971). Tropical sprue and megaloblastic anemia. London: Longman Group Limited.
MLA
Wellcome Trust collaborative study, . Tropical sprue and megaloblastic anemia. London: Longman Group Limited. 1971.