Cita APA (7a ed.)

Richardson, W. N., & Stubbs, T. H. (1978). Plants, agriculture, and human society. W. A. Benjamin.

Cita Chicago Style (17a ed.)

Richardson, W. Norman, y Thomas H. Stubbs. Plants, Agriculture, and Human Society. Menlo Park, Calif: W. A. Benjamin, 1978.

Cita MLA (9a ed.)

Richardson, W. Norman, y Thomas H. Stubbs. Plants, Agriculture, and Human Society. W. A. Benjamin, 1978.