APA (7th ed.) Citation

Merry, F. K., & Merry, R. V. (1958). The first two decades of life. Harper.

Chicago Style (17th ed.) Citation

Merry, Frieda Kiefer, and Ralph Vickers Merry. The First Two Decades of Life. New York: Harper, 1958.

MLA (9th ed.) Citation

Merry, Frieda Kiefer, and Ralph Vickers Merry. The First Two Decades of Life. Harper, 1958.