Cita APA (7th ed.)

Rocks, L., & Ross, C. W. (1979). Developing your chemistry fundamentals (4th ed.). The Petroleum Publishing Co..

Cita Chicago (17th ed.)

Rocks, Lawrence, i Cleon W. Ross. Developing Your Chemistry Fundamentals. 4th ed. Tulsa, Oklahoma: The Petroleum Publishing Co., 1979.

Cita MLA (9th ed.)

Rocks, Lawrence, i Cleon W. Ross. Developing Your Chemistry Fundamentals. 4th ed. The Petroleum Publishing Co., 1979.