APA (7th ed.) Citation

Garrett, J. H. (1993). J. Howard Garrett's organic manual. The Summit Group.

Chicago Style (17th ed.) Citation

Garrett, J. Howard. J. Howard Garrett's Organic Manual. Fort Worth, Tex.: The Summit Group, 1993.

MLA (9th ed.) Citation

Garrett, J. Howard. J. Howard Garrett's Organic Manual. The Summit Group, 1993.

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