APA Citation

Holdridge, L. R. 1., & Holdridge, L. R. 1. (1970). Quasi-Stellar objects in a cyclic universe. San José, C.R.: Tropical Science Center.

Chicago Style Citation

Holdridge, Leslie Rensselaer 1907-1999, and Leslie Rensselaer 1907-1999 Holdridge. Quasi-Stellar Objects in a Cyclic Universe. San José, C.R.: Tropical Science Center, 1970.

MLA Citation

Holdridge, Leslie Rensselaer 1907-1999, and Leslie Rensselaer 1907-1999 Holdridge. Quasi-Stellar Objects in a Cyclic Universe. San José, C.R.: Tropical Science Center, 1970.

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