APA Style

Christensen, B, L., Kockrow, E, O. (1991). Foundations of Nursing Volume 1 & 2 . St. Louis: Mosby Year Book.

MLA Style

Christensen, Barbara, Lauritsen., Kockrow, Elaine, Oden. "Foundations of Nursing Volume 1 & 2". St. Louis: Mosby Year Book, 1991. Text.