APA (7th ed.) Citation

Kelker H. Hans, Hatz R. Rolf, & Schumann Ch. Christian. (1980). Handbook of Liguid Crystals. Weinheim, Verlag Chemie, 1980.

Chicago Style (17th ed.) Citation

Kelker H. Hans, Hatz R. Rolf, and Schumann Ch. Christian. Handbook of Liguid Crystals. Weinheim, Verlag Chemie, 1980, 1980.

MLA (9th ed.) Citation

Kelker H. Hans, et al. Handbook of Liguid Crystals. Weinheim, Verlag Chemie, 1980, 1980.