APA (7th ed.) Citation

Erwall, L. G., Forsberg, H. G., & Ljunggren, K. (1964). Industrial isotope techniques. Munksgaard.

Chicago Style (17th ed.) Citation

Erwall, Lars G., Hans G. Forsberg, and Knut Ljunggren. Industrial Isotope Techniques. Copenhagen: Munksgaard, 1964.

MLA (8th ed.) Citation

Erwall, Lars G., et al. Industrial Isotope Techniques. Munksgaard, 1964.