APA

Liebig J., Gardner J., . (1843). Familiar letters on chemistry and its relation to commerce, physiology, and agriculture. New York: D. Appleton & co. ; Philadelphia.

Chicago

Liebig Justus, Gardner John, . 1843. Familiar letters on chemistry and its relation to commerce, physiology, and agriculture. New York: D. Appleton & co. ; Philadelphia.

Harvard

Liebig J., Gardner J., . (1843). Familiar letters on chemistry and its relation to commerce, physiology, and agriculture. New York: D. Appleton & co. ; Philadelphia.

MLA

Liebig Justus, Gardner John, . Familiar letters on chemistry and its relation to commerce, physiology, and agriculture. New York: D. Appleton & co. ; Philadelphia. 1843.