Cita APA (7a ed.)

Zeeuw, R. A. d., & Marko, V. (1989). Determination of beta-blockers in biological material. Elsevier.

Cita Chicago Style (17a ed.)

Zeeuw, R. A. de, y V. Marko. Determination of Beta-blockers in Biological Material. Amsterdam: Elsevier, 1989.

Cita MLA (8a ed.)

Zeeuw, R. A. de, y V. Marko. Determination of Beta-blockers in Biological Material. Elsevier, 1989.