APA

Shea D. R., . (1955). The Calvo clause. Minneapolis, Univ. of Minnesota Press: .

Chicago

Shea Donald R, . 1955. The Calvo clause. Minneapolis, Univ. of Minnesota Press: .

Harvard

Shea D. R., . (1955). The Calvo clause. Minneapolis, Univ. of Minnesota Press: .

MLA

Shea Donald R, . The Calvo clause. Minneapolis, Univ. of Minnesota Press: . 1955.