Cita APA (7a ed.)

Ryder, E. J. (1999). Lettuce, endive and chicory. CABI.

Cita Chicago Style (17a ed.)

Ryder, E. J. Lettuce, Endive and Chicory. Wallingford: CABI, 1999.

Cita MLA (9a ed.)

Ryder, E. J. Lettuce, Endive and Chicory. CABI, 1999.