APA (7th ed.) Citation

Foster, F. G. (1993). Ferns to know and grow (3rd rev. and enl. ed. of The gardener's fern book.). Timber Press.

Chicago Style (17th ed.) Citation

Foster, Frank Gordon. Ferns to Know and Grow. 3rd rev. and enl. ed. of The gardener's fern book. Portland, Oregon: Timber Press, 1993.

MLA (9th ed.) Citation

Foster, Frank Gordon. Ferns to Know and Grow. 3rd rev. and enl. ed. of The gardener's fern book. Timber Press, 1993.