APA (7th ed.) Citation

Heidegger, M., & Heidegger, M. (2005). The essence of human freedom: An introduction to philosophy. Continuum.

Chicago Style (17th ed.) Citation

Heidegger, Martin, and Martin;Sadler Heidegger. The Essence of Human Freedom: An Introduction to Philosophy. Continuum, 2005.

MLA (9th ed.) Citation

Heidegger, Martin, and Martin;Sadler Heidegger. The Essence of Human Freedom: An Introduction to Philosophy. Continuum, 2005.

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