Lancaster, R., & Biggs, M. (1998). What houseplant where (1st American ed.). DK Pub..
Chicago Style (17th ed.) CitationLancaster, Roy, and Matthew Biggs. What Houseplant Where. 1st American ed. New York: DK Pub., 1998.
MLA (8th ed.) CitationLancaster, Roy, and Matthew Biggs. What Houseplant Where. 1st American ed. DK Pub., 1998.
Warning: These citations may not always be 100% accurate.