APA Edition Citation

Duncalf, W. (1976). Guinness book of plant facts and feats. GuinnessSuperlatives.

Chicago Edition Citation

Duncalf, W.G. Guinness Book of Plant Facts and Feats. Britain: GuinnessSuperlatives, 1976.

MLA Edition Citation

Duncalf, W.G. Guinness Book of Plant Facts and Feats. GuinnessSuperlatives, 1976.

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