APA (7th ed.) Citation

Harms, A. C. (1999). The spiral of inquiry: A study in the phenomenology of inquiry. Univ. Press of America.

Chicago Style (17th ed.) Citation

Harms, Arnold C. The Spiral of Inquiry: A Study in the Phenomenology of Inquiry. Lanham [u.a.]: Univ. Press of America, 1999.

MLA (9th ed.) Citation

Harms, Arnold C. The Spiral of Inquiry: A Study in the Phenomenology of Inquiry. Univ. Press of America, 1999.