APA

McLellan D. S., Sondermann F. A. & Olson W. C. (1960). The theory and practice of international relations. Englewood Cliffs (N.J.): Prentice-Hall.

Chicago

McLellan David S, Sondermann Fred A and Olson William C. 1960. The theory and practice of international relations. Englewood Cliffs (N.J.): Prentice-Hall.

Harvard

McLellan D. S., Sondermann F. A. and Olson W. C. (1960). The theory and practice of international relations. Englewood Cliffs (N.J.): Prentice-Hall.

MLA

McLellan David S, Sondermann Fred A and Olson William C. The theory and practice of international relations. Englewood Cliffs (N.J.): Prentice-Hall. 1960.