APA (7th ed.) Citation

Ettre, L. S. (1973). Open tubular columns: An introduction. Perkin/Elmer.

Chicago Style (17th ed.) Citation

Ettre, Leslie S. Open Tubular Columns: An Introduction. [Norwalk, Conn.]: Perkin/Elmer, 1973.

MLA (9th ed.) Citation

Ettre, Leslie S. Open Tubular Columns: An Introduction. Perkin/Elmer, 1973.