APA (7th ed.) Citation

Macquarrie, J. (1973). An existentialist theology: A comparison of Heidegger and Bultmann. Penguin.

Chicago Style (17th ed.) Citation

Macquarrie, John. An Existentialist Theology: A Comparison of Heidegger and Bultmann. Harmondsworth [etc.]: Penguin, 1973.

MLA (9th ed.) Citation

Macquarrie, John. An Existentialist Theology: A Comparison of Heidegger and Bultmann. Penguin, 1973.

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