APA (7th ed.) Citation

Dahl, B. D. (1928). Swedish market for coin controlled and coin handling machines. [publisher not identified].

Chicago Style (17th ed.) Citation

Dahl, Basil D. Swedish Market for Coin Controlled and Coin Handling Machines. Washington, D.C.: [publisher not identified], 1928.

MLA (9th ed.) Citation

Dahl, Basil D. Swedish Market for Coin Controlled and Coin Handling Machines. [publisher not identified], 1928.