APA (7th ed.) Citation

Krisa & Bristow. (1982). The illustrated encyclopedia of flowering plants. Octopus.

Chicago Style (17th ed.) Citation

Krisa and Bristow. The Illustrated Encyclopedia of Flowering Plants. London: Octopus, 1982.

MLA (8th ed.) Citation

Krisa and Bristow. The Illustrated Encyclopedia of Flowering Plants. Octopus, 1982.

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