APA (7th ed.) Citation

Anita, M. R., Sister, & McDonnell, W. H. (1965). Contemporary progress in mathematics 2a. William H. Sadlier.

Chicago Style (17th ed.) Citation

Anita, Mary Rose, Sister, and W H. McDonnell. Contemporary Progress in Mathematics 2a. New York: William H. Sadlier, 1965.

MLA (9th ed.) Citation

Anita, Mary Rose, et al. Contemporary Progress in Mathematics 2a. William H. Sadlier, 1965.