Cita APA (7th ed.)

Alford, D. V. (1999). A textbook of agricultural entomology. Blackwell Science.

Cita Chicago (17th ed.)

Alford, David V. A Textbook of Agricultural Entomology. Londres: Blackwell Science, 1999.

Cita MLA (9th ed.)

Alford, David V. A Textbook of Agricultural Entomology. Blackwell Science, 1999.