APA (7th ed.) Citation

Backus, I. (1980). Duplik. Zwingliana, 15(3/4), 305-307.

Chicago Style (17th ed.) Citation

Backus, Irena. "Duplik." Zwingliana 15, no. 3/4 (1980): 305-307.

MLA (8th ed.) Citation

Backus, Irena. "Duplik." Zwingliana, vol. 15, no. 3/4, 1980, pp. 305-307.

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