APA

Yang D. P., Morton H. J. & National Cancer Institute (U.S.). (1971). Effect of calcium and magnesium on morphology and growth pattern of L-M cells. [Washington, D.C: .

Chicago

Yang D P, Morton Helen J and National Cancer Institute (U.S.). 1971. Effect of calcium and magnesium on morphology and growth pattern of L-M cells. [Washington, D.C: .

Harvard

Yang D. P., Morton H. J. and National Cancer Institute (U.S.). (1971). Effect of calcium and magnesium on morphology and growth pattern of L-M cells. [Washington, D.C: .

MLA

Yang D P, Morton Helen J and National Cancer Institute (U.S.). Effect of calcium and magnesium on morphology and growth pattern of L-M cells. [Washington, D.C: . 1971.