Cita APA

Walters, E. A., & Wewerka, E. M. (1974). Contemporary chemistry concepts and issues. United States: A Bell Howell Company.

Citación estilo Chicago

Walters, Edward A., y Eugene M. Wewerka. Contemporary Chemistry Concepts and Issues. United States: A Bell Howell Company, 1974.

Cita MLA

Walters, Edward A., y Eugene M. Wewerka. Contemporary Chemistry Concepts and Issues. United States: A Bell Howell Company, 1974.