APA (7th ed.) Citation

Borch, K. H., Aase, K. K., & Sandmo, A. (1990). Economics of insurance. North-Holland.

Chicago Style (17th ed.) Citation

Borch, Karl H., Knut K. Aase, and Aguar Sandmo. Economics of Insurance. Amsterdam: North-Holland, 1990.

MLA (9th ed.) Citation

Borch, Karl H., et al. Economics of Insurance. North-Holland, 1990.