APA (7th ed.) Citation

(1968). Planetary nebulae: Held in Tatranská Lomnica, Czechoslovakia 4 - 8 September 1967. Reidel.

Chicago Style (17th ed.) Citation

Planetary Nebulae: Held in Tatranská Lomnica, Czechoslovakia 4 - 8 September 1967. Dordrecht: Reidel, 1968.

MLA (9th ed.) Citation

Planetary Nebulae: Held in Tatranská Lomnica, Czechoslovakia 4 - 8 September 1967. Reidel, 1968.

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