APA (7th ed.) Citation

Heller, S. (2017). Retirement life insurance: How much is needed to optimize retirement spending. Walter de Gruyter.

Chicago Style (17th ed.) Citation

Heller, Steve. Retirement Life Insurance: How Much Is Needed to Optimize Retirement Spending. Boston: Walter de Gruyter, 2017.

MLA (9th ed.) Citation

Heller, Steve. Retirement Life Insurance: How Much Is Needed to Optimize Retirement Spending. Walter de Gruyter, 2017.

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