APA (7th ed.) Citation

PIGGOTT & Piggott. (1996). Ferns of Malaysia in colour. Tropical Press.

Chicago Style (17th ed.) Citation

PIGGOTT and Piggott. Ferns of Malaysia in Colour. Kuala Lumpur: Tropical Press, 1996.

MLA (9th ed.) Citation

PIGGOTT and Piggott. Ferns of Malaysia in Colour. Tropical Press, 1996.

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