APA (7th ed.) Citation

Dahl, . M., & Thygesen, T. B. (1974). Garden pests and diseases of flowers and shrubs. Macmillan Publishing.

Chicago Style (17th ed.) Citation

Dahl, Mogens, and Thyge B. Thygesen. Garden Pests and Diseases of Flowers and Shrubs. New York: Macmillan Publishing, 1974.

MLA (9th ed.) Citation

Dahl, Mogens, and Thyge B. Thygesen. Garden Pests and Diseases of Flowers and Shrubs. Macmillan Publishing, 1974.