APA (7th ed.) Citation

Elman, R., & Amadon, D. (1977). First in the field: America's pioneering naturalists. Van Nostrand Reinhold Company.

Chicago Style (17th ed.) Citation

Elman, Robert, and Dean Amadon. First in the Field: America's Pioneering Naturalists. New York [i pozostałe]: Van Nostrand Reinhold Company, 1977.

MLA (9th ed.) Citation

Elman, Robert, and Dean Amadon. First in the Field: America's Pioneering Naturalists. Van Nostrand Reinhold Company, 1977.