APA (7th ed.) Citation

Smulders, P. (1943). Ex theologia historica. Gregorianum, 24(2), 251-252.

Chicago Style (17th ed.) Citation

Smulders, Pieter. "Ex Theologia Historica." Gregorianum 24, no. 2 (1943): 251-252.

MLA (9th ed.) Citation

Smulders, Pieter. "Ex Theologia Historica." Gregorianum, vol. 24, no. 2, 1943, pp. 251-252.

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