APA (7th ed.) Zitazioa

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

Chicago Style (17th ed.) Zitazioa

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

MLA (9th ed.) Zitazioa

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