Cita APA (7a ed.)

Cragg, L. (1961). An introduction to the principles of chemistry . The Bobbs-Merrill.

Cita Chicago Style (17a ed.)

Cragg, L.H. An Introduction to the Principles of Chemistry . New York: The Bobbs-Merrill, 1961.

Cita MLA (9a ed.)

Cragg, L.H. An Introduction to the Principles of Chemistry . The Bobbs-Merrill, 1961.