Cita APA (7a ed.)
Nelik, L., & Brennan, J. (2005). Progressing cavity pumps, downhole pumps and mudmotors. Gulf Publishing Company.
Cita Chicago Style (17a ed.)
Nelik, Lev, y Jim Brennan. Progressing Cavity Pumps, Downhole Pumps and Mudmotors. Houston, TX: Gulf Publishing Company, 2005.
Cita MLA (9a ed.)
Nelik, Lev, y Jim Brennan. Progressing Cavity Pumps, Downhole Pumps and Mudmotors. Gulf Publishing Company, 2005.
Precaución: Estas citas no son 100% exactas.