Cita APA (7a ed.)

Johnson, P. O. (1930). Curricular Problems in Science at the College Level. University of Minnesota Press.

Cita Chicago Style (17a ed.)

Johnson, Palmer O. Curricular Problems in Science at the College Level. Minneapolis: University of Minnesota Press, 1930.

Cita MLA (8a ed.)

Johnson, Palmer O. Curricular Problems in Science at the College Level. University of Minnesota Press, 1930.