Cita APA

Hapke, E. J., Seal, R. M. E., Thomas, G. O., Hayes, M., & Meek, J. C. (1968). Farmer's lung: A clinical, radiographic, functional, and serological correlation of acute and chronic stages.

Chicago Style Citation

Hapke, E. J., R. M. E. Seal, G. O. Thomas, M. Hayes, i J. C. Meek. Farmer's Lung: A Clinical, Radiographic, Functional, and Serological Correlation of Acute and Chronic Stages. 1968.

Cita MLA

Hapke, E. J., et al. Farmer's Lung: A Clinical, Radiographic, Functional, and Serological Correlation of Acute and Chronic Stages. 1968.