APA (7th ed.) Citation

Mills, F. W. (1934). An index to the genera and species of the Diatomaceae and their synonyms: 1816 - 1932. Wheldon & Wesley.

Chicago Style (17th ed.) Citation

Mills, Frederick W. An Index to the Genera and Species of the Diatomaceae and Their Synonyms: 1816 - 1932. London: Wheldon & Wesley, 1934.

MLA (9th ed.) Citation

Mills, Frederick W. An Index to the Genera and Species of the Diatomaceae and Their Synonyms: 1816 - 1932. Wheldon & Wesley, 1934.