Gardening with the new small plants :
the complete guide to growing dwarf and miniature shrubs, flowers, trees, and vegetables /
Oliver E. Allen.

APA Citation

Allen, O. E. (1987). Gardening with the new small plants: the complete guide to growing dwarf and miniature shrubs, flowers, trees, and vegetables. Boston: Houghton Mifflin.

MLA Citation

Allen, Oliver E. Gardening With the New Small Plants: the Complete Guide to Growing Dwarf And Miniature Shrubs, Flowers, Trees, And Vegetables. Boston: Houghton Mifflin, 1987.

Warning: These citations may not always be complete (especially for serials).