Cita APA (7th ed.)

Bjelland, H. (1992). Using online scientific & engineering databases. Windcrest.

Cita Chicago (17th ed.)

Bjelland, Harley. Using Online Scientific & Engineering Databases. Blue Ridge Summit, PA: Windcrest, 1992.

Cita MLA (8th ed.)

Bjelland, Harley. Using Online Scientific & Engineering Databases. Windcrest, 1992.