Style de citation APA (7e éd.)

Heen, E. M. (2003). The distinction "material/formal principles" and its use in American Lutheran theology. Lutheran quarterly, 17(3), 329-354.

Style de citation Chicago (17e éd.)

Heen, Erik Marvin. "The Distinction "Material/formal Principles" and Its Use in American Lutheran Theology." Lutheran Quarterly 17, no. 3 (2003): 329-354.

Style de citation MLA (8e éd.)

Heen, Erik Marvin. "The Distinction "Material/formal Principles" and Its Use in American Lutheran Theology." Lutheran Quarterly, vol. 17, no. 3, 2003, pp. 329-354.