Cita APA (7a ed.)

Cramer, H. (1967). Plant protection and world crop production. Farbenfabriken Bayer AG, Crop protection advisory department.

Cita Chicago Style (17a ed.)

Cramer, H.H. Plant Protection and World Crop Production. Leverkusen: Farbenfabriken Bayer AG, Crop protection advisory department, 1967.

Cita MLA (8a ed.)

Cramer, H.H. Plant Protection and World Crop Production. Farbenfabriken Bayer AG, Crop protection advisory department, 1967.