APA-viite (7. p.)

Nelson, S., & Keim, W. G. (1940). Price behavior and business policy. [publisher not identified].

Chicago-viite (17. p.)

Nelson, Saul, ja Walter G. Keim. Price Behavior and Business Policy. [Washington]: [publisher not identified], 1940.

MLA-viite (8. p.)

Nelson, Saul, ja Walter G. Keim. Price Behavior and Business Policy. [publisher not identified], 1940.