APA (7th ed.) Citation

Minto Barbara. (1987). The pyramid principle: Logic in writing and thinking/Barbara Minto. Minto International Inc.

Chicago Style (17th ed.) Citation

Minto Barbara. The Pyramid Principle: Logic in Writing and Thinking/Barbara Minto. London: Minto International Inc, 1987.

MLA (8th ed.) Citation

Minto Barbara. The Pyramid Principle: Logic in Writing and Thinking/Barbara Minto. Minto International Inc, 1987.

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