APA (7th ed.) Citation

Orr, M. L. Pantothenic acid, vitamin B₆ and vitamin B₁₂ in foods. [publisher not identified].

Chicago Style (17th ed.) Citation

Orr, Martha Louise. Pantothenic Acid, Vitamin B₆ and Vitamin B₁₂ in Foods. 1969: [publisher not identified].

MLA (9th ed.) Citation

Orr, Martha Louise. Pantothenic Acid, Vitamin B₆ and Vitamin B₁₂ in Foods. [publisher not identified].