APA (7th ed.) Citation

Tower, E. (1990). Microeconomics exams, puzzles and problems. Eno River Press.

Chicago Style (17th ed.) Citation

Tower, Edward. Microeconomics Exams, Puzzles and Problems. Durham: Eno River Press, 1990.

MLA (9th ed.) Citation

Tower, Edward. Microeconomics Exams, Puzzles and Problems. Eno River Press, 1990.