APA (7th ed.) Citation

Halpern, P. (1995). The cyclical serpent: Prospects for an ever-repeating universe. Plenum Pr.

Chicago Style (17th ed.) Citation

Halpern, Paul. The Cyclical Serpent: Prospects for an Ever-repeating Universe. New York u.a: Plenum Pr, 1995.

MLA (9th ed.) Citation

Halpern, Paul. The Cyclical Serpent: Prospects for an Ever-repeating Universe. Plenum Pr, 1995.

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