APA (7th ed.) Citation

Webb, W. F. (1939). A catalogue of recent Mollusca for sale. [Willard printing co., inc., pref.].

Chicago Style (17th ed.) Citation

Webb, Walter Freeman. A Catalogue of Recent Mollusca for Sale. [Rochester, N.Y.]: [Willard printing co., inc., pref.], 1939.

MLA (9th ed.) Citation

Webb, Walter Freeman. A Catalogue of Recent Mollusca for Sale. [Willard printing co., inc., pref.], 1939.