APA

Crawford D. J., Smocovitis V. B., . (2004). The scientific papers of G. Ledyard Stebbins, 1929-2000 / D. J. Crawford; V. B. Smocovitis. Ruggell, Liechtenstein: Gantner.

Chicago

Crawford Daniel J, Smocovitis Vassiliki Betty, . 2004. The scientific papers of G. Ledyard Stebbins, 1929-2000 / D. J. Crawford; V. B. Smocovitis. Ruggell, Liechtenstein: Gantner.

Harvard

Crawford D. J., Smocovitis V. B., . (2004). The scientific papers of G. Ledyard Stebbins, 1929-2000 / D. J. Crawford; V. B. Smocovitis. Ruggell, Liechtenstein: Gantner.

MLA

Crawford Daniel J, Smocovitis Vassiliki Betty, . The scientific papers of G. Ledyard Stebbins, 1929-2000 / D. J. Crawford; V. B. Smocovitis. Ruggell, Liechtenstein: Gantner. 2004.