Cita APA (7a ed.)

Peapell, P. N., & Belk, J. A.. (1985). BASIC materials studies. Butterworths.

Cita Chicago Style (17a ed.)

Peapell, P. N., y J. A. Belk. BASIC Materials Studies. London [etc.]: Butterworths, 1985.

Cita MLA (9a ed.)

Peapell, P. N., y J. A. Belk. BASIC Materials Studies. Butterworths, 1985.