Citazione APA

Marton, L., & Hornyak, W. F. (1969). Problems and solutions for students. Academic Press.

Stile di citazione Chicago

Marton, L., e William F. Hornyak. Problems and Solutions for Students. New York: Academic Press, 1969.

Citazione MLA

Marton, L., e William F. Hornyak. Problems and Solutions for Students. Academic Press, 1969.