Cita APA (7a ed.)

Teilhard de Chardin, P. (1973). On happiness ([1st U.S. ed.].). Harper & Row.

Cita Chicago Style (17a ed.)

Teilhard de Chardin, Pierre. On Happiness. [1st U.S. ed.]. New York: Harper & Row, 1973.

Cita MLA (8a ed.)

Teilhard de Chardin, Pierre. On Happiness. [1st U.S. ed.]. Harper & Row, 1973.