APA
Reynolds N. B., Manning E. L., . (1939). Excursions in science. Newyork: McGraw Hill.
Chicago
Reynolds Neil B, Manning Ellis L, . 1939. Excursions in science. Newyork: McGraw Hill.
Harvard
Reynolds N. B., Manning E. L., . (1939). Excursions in science. Newyork: McGraw Hill.
MLA
Reynolds Neil B, Manning Ellis L, . Excursions in science. Newyork: McGraw Hill. 1939.
