APA

Grabmann M., . (1930). Introduction to the theological Summa of St. Thomas. London: B. Herder Books Co.

Chicago

Grabmann Martin, . 1930. Introduction to the theological Summa of St. Thomas. London: B. Herder Books Co.

Harvard

Grabmann M., . (1930). Introduction to the theological Summa of St. Thomas. London: B. Herder Books Co.

MLA

Grabmann Martin, . Introduction to the theological Summa of St. Thomas. London: B. Herder Books Co. 1930.