Cita APA

Brown, P. H., Welch, R. M., & Cary, E. E. (1987). Nickel: A Micronutrient Essential for Higher Plants.

Chicago Style Citation

Brown, Patrick H., Ross M. Welch, i Earle E. Cary. Nickel: A Micronutrient Essential for Higher Plants. 1987.

Cita MLA

Brown, Patrick H., Ross M. Welch, i Earle E. Cary. Nickel: A Micronutrient Essential for Higher Plants. 1987.