APA (7th ed.) Citation

Kjaer-Hansen, M. (1965). Cost problems in modern marketing. E. Harcks.

Chicago Style (17th ed.) Citation

Kjaer-Hansen, Max. Cost Problems in Modern Marketing. Kobenhavn: E. Harcks, 1965.

MLA (9th ed.) Citation

Kjaer-Hansen, Max. Cost Problems in Modern Marketing. E. Harcks, 1965.