APA (7th ed.) Citation

Bittel. (1972). The nine master keys of managemant. McGraw-Hill.

Chicago Style (17th ed.) Citation

Bittel. The Nine Master Keys of Managemant. New York: McGraw-Hill, 1972.

MLA (8th ed.) Citation

Bittel. The Nine Master Keys of Managemant. McGraw-Hill, 1972.

Warning: These citations may not always be 100% accurate.