APA (7th ed.) Citation

Katharina von Siena, H., & Noffke, S. (1980). The dialogue. SPCK.

Chicago Style (17th ed.) Citation

Katharina von Siena, Heilige, and Suzanne Noffke. The Dialogue. London: SPCK, 1980.

MLA (9th ed.) Citation

Katharina von Siena, Heilige, and Suzanne Noffke. The Dialogue. SPCK, 1980.

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