APA Format
Waldron, Ingrid
; Ricklefs, Robert E.
. (1973). Environment and population : problems and solutions. New York : Holt, Rinehart and Winston
MLA Format
Waldron, Ingrid; Ricklefs, Robert E.
. Environment and population : problems and solutions. New York : Holt, Rinehart and Winston, 1973
Australian/Harvard Format
Waldron, Ingrid
; Ricklefs, Robert E.
. 1973. Environment and population : problems and solutions. Holt, Rinehart and Winston, New York
Warning: These citations may not always be 100% accurate.