APA (7th ed.) Citation

Backer, C. A. (1963). Flora of Java. N. V. P. Noordhoff.

Chicago Style (17th ed.) Citation

Backer, C. A. Flora of Java. The Netherlands: N. V. P. Noordhoff, 1963.

MLA (9th ed.) Citation

Backer, C. A. Flora of Java. N. V. P. Noordhoff, 1963.