APA (7th ed.) Citation

(1966). Pictorial encyclopedia of plants & flowers. [s.n.].

Chicago Style (17th ed.) Citation

Pictorial Encyclopedia of Plants & Flowers. [S.l.]: [s.n.], 1966.

MLA (9th ed.) Citation

Pictorial Encyclopedia of Plants & Flowers. [s.n.], 1966.

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