APA

Harborne J., . (1998). Phytochemical methods. London: Chapman & Hall.

Chicago

Harborne J.B, . 1998. Phytochemical methods. London: Chapman & Hall.

Harvard

Harborne J., . (1998). Phytochemical methods. London: Chapman & Hall.

MLA

Harborne J.B, . Phytochemical methods. London: Chapman & Hall. 1998.