APA (7th ed.) Citation

(1990). Nitrogen in higher plants. Research Studies Pr. u.a.

Chicago Style (17th ed.) Citation

Nitrogen in Higher Plants. Taunton, Somerset, England: Research Studies Pr. u.a, 1990.

MLA (9th ed.) Citation

Nitrogen in Higher Plants. Research Studies Pr. u.a, 1990.

Warning: These citations may not always be 100% accurate.