Cita APA (7th ed.)
Larsen, J. M., & Allison, J. E. (1992). Small-crack test methods. ASTM.
Cita Chicago (17th ed.)
Larsen, James M., i John E. Allison. Small-crack Test Methods. Philadelphia, PA: ASTM, 1992.
Cita MLA (9th ed.)
Larsen, James M., i John E. Allison. Small-crack Test Methods. ASTM, 1992.
Atenció: Aquestes cites poden no estar 100% correctes.