APA (7th ed.) Citation

Peterson, R. T. (1986). Peterson first guide to wildflowers of northeastern and north-central North America. Houghton Mifflin.

Chicago Style (17th ed.) Citation

Peterson, Roger Tory. Peterson First Guide to Wildflowers of Northeastern and North-central North America. Boston: Houghton Mifflin, 1986.

MLA (8th ed.) Citation

Peterson, Roger Tory. Peterson First Guide to Wildflowers of Northeastern and North-central North America. Houghton Mifflin, 1986.

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