Cita APA (7a ed.)

Snively, W. D., & Thuerbach, J. (1969). The sea of life. D. McKay Co.

Cita Chicago Style (17a ed.)

Snively, William Daniel, y Jan Thuerbach. The Sea of Life. New York: D. McKay Co, 1969.

Cita MLA (9a ed.)

Snively, William Daniel, y Jan Thuerbach. The Sea of Life. D. McKay Co, 1969.