Cita APA (7a ed.)

Mallock, W. H. (1879). Is life worth living? Belfords, Clarke & Co..

Cita Chicago Style (17a ed.)

Mallock, W. H. Is Life Worth Living? Chicago: Belfords, Clarke & Co., 1879.

Cita MLA (8a ed.)

Mallock, W. H. Is Life Worth Living? Belfords, Clarke & Co., 1879.