APA (7th ed.) Citation

O'Collins, G., & Farrugia, E. G. (1991). A concise dictionary of theology (1st publ.). Marshall Pickering (HarperCollins).

Chicago Style (17th ed.) Citation

O'Collins, Gerald, and Edward G. Farrugia. A Concise Dictionary of Theology. 1st publ. London: Marshall Pickering (HarperCollins), 1991.

MLA (8th ed.) Citation

O'Collins, Gerald, and Edward G. Farrugia. A Concise Dictionary of Theology. 1st publ. Marshall Pickering (HarperCollins), 1991.

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