APA (7th ed.) Citation

Darwin, G. H., Darwin, F., Brown, E. W., Stratton, F. J. M., & Jackson, J. (1907). Scientific papers. University press.

Chicago Style (17th ed.) Citation

Darwin, George Howard, Francis Darwin, Ernest W. Brown, Frederick John Marrian Stratton, and J. Jackson. Scientific Papers. Cambridge: University press, 1907.

MLA (9th ed.) Citation

Darwin, George Howard, et al. Scientific Papers. University press, 1907.