APA (7th ed.) Citation

Tiger, L. (1979). Optimism: The biology of hope. Secker & Warburg.

Chicago Style (17th ed.) Citation

Tiger, Lionel. Optimism: The Biology of Hope. London: Secker & Warburg, 1979.

MLA (9th ed.) Citation

Tiger, Lionel. Optimism: The Biology of Hope. Secker & Warburg, 1979.

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