APA

Nielsen R., Rogers J., Bullin J. A., Duewall K., Bryan Research & Engineering, Rogers J., Bullin J. A., Duewall K. & Bryan Research & Engineering. (2001). Treat LPGs with amines. Texas: Bryan Research & Engineering.

Chicago

Nielsen R.B, Rogers J, Bullin Jerry A, Duewall K.J, Bryan Research & Engineering, Rogers J, Bullin Jerry A, Duewall K.J and Bryan Research & Engineering. 2001. Treat LPGs with amines. Texas: Bryan Research & Engineering.

Harvard

Nielsen R., Rogers J., Bullin J. A., Duewall K., Bryan Research & Engineering, Rogers J., Bullin J. A., Duewall K. and Bryan Research & Engineering. (2001). Treat LPGs with amines. Texas: Bryan Research & Engineering.

MLA

Nielsen R.B, Rogers J, Bullin Jerry A, Duewall K.J, Bryan Research & Engineering, Rogers J, Bullin Jerry A, Duewall K.J and Bryan Research & Engineering. Treat LPGs with amines. Texas: Bryan Research & Engineering. 2001.