APA (7th ed.) Citation

Coelho, P., & Clarke, A. R. (1998). The Pilgrimage: A contemporary quest for ancient wisdom. HarperPerennial.

Chicago Style (17th ed.) Citation

Coelho, Paulo, and Alan R. Clarke. The Pilgrimage: A Contemporary Quest for Ancient Wisdom. New York: HarperPerennial, 1998.

MLA (9th ed.) Citation

Coelho, Paulo, and Alan R. Clarke. The Pilgrimage: A Contemporary Quest for Ancient Wisdom. HarperPerennial, 1998.

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