APA (7th ed.) Citation

Gardner, J. A. (1923). New species of Mollusca from the Eocene deposits of southwestern Texas. G.P.O..

Chicago Style (17th ed.) Citation

Gardner, Julia Anna. New Species of Mollusca from the Eocene Deposits of Southwestern Texas. Washington: G.P.O., 1923.

MLA (8th ed.) Citation

Gardner, Julia Anna. New Species of Mollusca from the Eocene Deposits of Southwestern Texas. G.P.O., 1923.