APA (7th ed.) Citation

Herwig, R. (1984). The Hamlyn encyclopedia of house plants. Hamlyn.

Chicago Style (17th ed.) Citation

Herwig, Rob. The Hamlyn Encyclopedia of House Plants. London: Hamlyn, 1984.

MLA (9th ed.) Citation

Herwig, Rob. The Hamlyn Encyclopedia of House Plants. Hamlyn, 1984.

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