Cita APA (7th ed.)

Nelson, J. L. (1977). Population and progress: Is there a conflictn (2nd ed.). Prentice-Hall Inc.

Cita Chicago (17th ed.)

Nelson, Jack L. Population and Progress: Is There a Conflictn. 2nd ed. Engelwoods Cliff, New Jersey: Prentice-Hall Inc, 1977.

Cita MLA (9th ed.)

Nelson, Jack L. Population and Progress: Is There a Conflictn. 2nd ed. Prentice-Hall Inc, 1977.