APA (7th ed.) Citation

Gray, A. (1842). Elements of scientific and practical agriculture: Or, The application of biology, geology, and chemistry to agriculture and horticulture. Intended as a textbook for farmers and students in agriculture. Allen, Morrill and Wardwell.

Chicago Style (17th ed.) Citation

Gray, Alonzo. Elements of Scientific and Practical Agriculture: Or, The Application of Biology, Geology, and Chemistry to Agriculture and Horticulture. Intended as a Textbook for Farmers and Students in Agriculture. Andover [Mass.]: Allen, Morrill and Wardwell, 1842.

MLA (9th ed.) Citation

Gray, Alonzo. Elements of Scientific and Practical Agriculture: Or, The Application of Biology, Geology, and Chemistry to Agriculture and Horticulture. Intended as a Textbook for Farmers and Students in Agriculture. Allen, Morrill and Wardwell, 1842.