Cita APA (7a ed.)

Grey , E. C. (1925). Practical chemistry by micro-methods. W. Heffer.

Cita Chicago Style (17a ed.)

Grey , Egerton Charles. Practical Chemistry by Micro-methods. Cambridge: W. Heffer, 1925.

Cita MLA (9a ed.)

Grey , Egerton Charles. Practical Chemistry by Micro-methods. W. Heffer, 1925.