APA

Bakker F. T., Chatrou L. W., Gravendeel B. & Pelser P. B. (2005). Plant species-level systematics : new perspectives on pattern & process. Ruggell, Liechtenstein: Gantner.

Chicago

Bakker Freek T, Chatrou Lars W, Gravendeel Barbara and Pelser Pieter B. 2005. Plant species-level systematics : new perspectives on pattern & process. Ruggell, Liechtenstein: Gantner.

Harvard

Bakker F. T., Chatrou L. W., Gravendeel B. and Pelser P. B. (2005). Plant species-level systematics : new perspectives on pattern & process. Ruggell, Liechtenstein: Gantner.

MLA

Bakker Freek T, Chatrou Lars W, Gravendeel Barbara and Pelser Pieter B. Plant species-level systematics : new perspectives on pattern & process. Ruggell, Liechtenstein: Gantner. 2005.