APA (7th ed.) Citation

Emery, F. E. (1971). Systems thinking: Selected readings. Penguin Books.

Chicago Style (17th ed.) Citation

Emery, F. E. Systems Thinking: Selected Readings. Harmondsworth [etc.]: Penguin Books, 1971.

MLA (9th ed.) Citation

Emery, F. E. Systems Thinking: Selected Readings. Penguin Books, 1971.

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