APA

Nash Thomash H ; Ryan Bruce D; Gries Corinna & Bungartz F Eds, . (2002). Lichen Flor of the Greater Sonoran Desert Region Vol 1 : The Pyrenolichens and most of the squamulose and macrolichens .-0-9716759-0-2. : Lichens Unlimited Arizona State University, USA, Arizona, USA.

Chicago

Nash Thomash H ; Ryan Bruce D; Gries Corinna & Bungartz F Eds, . 2002. Lichen Flor of the Greater Sonoran Desert Region Vol 1 : The Pyrenolichens and most of the squamulose and macrolichens .-0-9716759-0-2. : Lichens Unlimited Arizona State University, USA, Arizona, USA.

Harvard

Nash Thomash H ; Ryan Bruce D; Gries Corinna & Bungartz F Eds, . (2002). Lichen Flor of the Greater Sonoran Desert Region Vol 1 : The Pyrenolichens and most of the squamulose and macrolichens .-0-9716759-0-2. : Lichens Unlimited Arizona State University, USA, Arizona, USA.

MLA

Nash Thomash H ; Ryan Bruce D; Gries Corinna & Bungartz F Eds, . Lichen Flor of the Greater Sonoran Desert Region Vol 1 : The Pyrenolichens and most of the squamulose and macrolichens .-0-9716759-0-2. : Lichens Unlimited Arizona State University, USA, Arizona, USA. 2002.