APA (7th ed.) Citation

(1997). A pictorial guide to lettuce diseases. APS Press.

Chicago Style (17th ed.) Citation

A Pictorial Guide to Lettuce Diseases. St. Paul, Minn: APS Press, 1997.

MLA (9th ed.) Citation

A Pictorial Guide to Lettuce Diseases. APS Press, 1997.

Warning: These citations may not always be 100% accurate.