Barton, B. J. (1994). Gardening by mail: A source book : everything for the garden and gardener (Fourth edition, Updated and revised.). Houghton Mifflin.
Chicago Style (17th ed.) CitationBarton, Barbara J. Gardening by Mail: A Source Book : Everything for the Garden and Gardener. Fourth edition, Updated and revised. Boston: Houghton Mifflin, 1994.
MLA (9th ed.) CitationBarton, Barbara J. Gardening by Mail: A Source Book : Everything for the Garden and Gardener. Fourth edition, Updated and revised. Houghton Mifflin, 1994.
Warning: These citations may not always be 100% accurate.