APA (7th ed.) Citation

M, G., DM, T., & H, D. (1974). Helium closing volumes. Scandinavian journal of respiratory diseases. Supplementum, 85, 201.

Chicago Style (17th ed.) Citation

M, Green, Travis DM, and Don H. "Helium Closing Volumes." Scandinavian Journal of Respiratory Diseases. Supplementum 85 (1974): 201.

MLA (9th ed.) Citation

M, Green, et al. "Helium Closing Volumes." Scandinavian Journal of Respiratory Diseases. Supplementum, vol. 85, 1974, p. 201.