APA (7th ed.) Citation

Bergner, J., Gelbke, E., & Mehliss, W. (1966). Practical photomicrography. Focal P..

Chicago Style (17th ed.) Citation

Bergner, J., E. Gelbke, and W. Mehliss. Practical Photomicrography. London: Focal P., 1966.

MLA (9th ed.) Citation

Bergner, J., et al. Practical Photomicrography. Focal P., 1966.