APA Citatie

Johnson, M. A., Woodcock, A. A., Rehahn, M., & Geddes, D. M. (1983). Are "pink puffers" more breathless than "blue bloaters"?

Chicago Style citaat

Johnson, M A., A A. Woodcock, M. Rehahn, en D M. Geddes. Are "pink Puffers" More Breathless Than "blue Bloaters"? 1983.

MLA citatie

Johnson, M A., A A. Woodcock, M. Rehahn, en D M. Geddes. Are "pink Puffers" More Breathless Than "blue Bloaters"? 1983.