APA (7th ed.) Citation

Lumsden, K., Attiyeh, R., & Bach, G. L. (1966). Microeconomics: A programmed book. Prentice-Hall.

Chicago Style (17th ed.) Citation

Lumsden, Keith, Richard Attiyeh, and George L. Bach. Microeconomics: A Programmed Book. Englewood Cliffs, N.J: Prentice-Hall, 1966.

MLA (9th ed.) Citation

Lumsden, Keith, et al. Microeconomics: A Programmed Book. Prentice-Hall, 1966.