APA

Armstrong C., Parran T., . (1927). Further studies on the importance of milk and milk products as a factor in the causation of outbreaks of disease in the United States. Washington: Govt. print. off.

Chicago

Armstrong Charles, Parran Thomas, . 1927. Further studies on the importance of milk and milk products as a factor in the causation of outbreaks of disease in the United States. Washington: Govt. print. off.

Harvard

Armstrong C., Parran T., . (1927). Further studies on the importance of milk and milk products as a factor in the causation of outbreaks of disease in the United States. Washington: Govt. print. off.

MLA

Armstrong Charles, Parran Thomas, . Further studies on the importance of milk and milk products as a factor in the causation of outbreaks of disease in the United States. Washington: Govt. print. off. 1927.