Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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