APA (7th ed.) Citation

Collett , H., & Hooker, J. D. (1921). Flora simlensis: A handbook of the flowering plants of Simla and the neighbourhood. Thacker, Spink.

Chicago Style (17th ed.) Citation

Collett , Henry, and Joseph D. Hooker. Flora Simlensis: A Handbook of the Flowering Plants of Simla and the Neighbourhood. Calcutta: Thacker, Spink, 1921.

MLA (9th ed.) Citation

Collett , Henry, and Joseph D. Hooker. Flora Simlensis: A Handbook of the Flowering Plants of Simla and the Neighbourhood. Thacker, Spink, 1921.