Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (8th ed.)

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