Cita APA (7a ed.)

Schirmer, R. E. (1991). Modern methods of pharmaceutical analysis (2nd ed.). CRC Press.

Cita Chicago Style (17a ed.)

Schirmer, Roger E. Modern Methods of Pharmaceutical Analysis. 2nd ed. Boca Raton [etc.]: CRC Press, 1991.

Cita MLA (9a ed.)

Schirmer, Roger E. Modern Methods of Pharmaceutical Analysis. 2nd ed. CRC Press, 1991.